JBT 7689悬挂式电磁除铁器 英文版本.docx

JBT 7689悬挂式电磁除铁器 英文版本.docx

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JBT7689悬挂式电磁除铁器英文版本

ICS73.120

D96

JB

StandardforMachineryIndustryofthePRC

JB/T7689-2004

ReplaceJB/T7689-1995

SuspensionElectromagneticSeparator

IssuedonJune17th,2004CameintoeffectonNov.01,2004

IssuedbyNationalDevelopmentandReformCommission（NDRC）

Catalogue

Foreword…………………………………………………………………………………….Ⅲ

1.Scope………………………………………………………………………………...…….1

2.Normativereferences……………………………………………………………..……….1

3.ProductClassifications…………………………………………………………...……….1

3.1Type……………………………………………………………………………………….1

3.2Model…………………………………………………………………………..……….…1

3.3Basicparameters……………………………………………………………….…..……2

4.Technicalrequirements……………………………………………………..………….…3

5.Testmethods…………………………………………………………………….…………4

6.Testrules………………………………………………………………………...............…4

7.Mark,package,transportation,andstorage……………………………...……….…….5

Foreword

ThisstandardistherevisionofJB/T7689-1995《Suspensionelectromagneticseparator》.ItreplacesthestandardJB/T7689-1995.ComparedwithJB/T7689-1995,themodificationofmaintechnicalcontentsareasbelow:

—morerequirementshavebeenaddedfordisktypeelectromagneticseparatorandstrongmagneticseparator.

—therequirementsoftypetestaremoreexplicit.

—annexAofJB/T7689-1995hasbeencanceled,thecontentsofannexAhavebeenwrittenintothetextofthisstandard.

ThisstandardisproposedbyChinaFederationofMachineryIndustry（CMF）.

TheJurisdictionalUnitofthisstandardistheNationalTechnicalCommittee88onMining

MachineryofStandardizationAdministrationofChina（SAC/TC88）.

Draftingunitofthisstandardis:

ZhenjiangElectromagneticSeparatorsCO,LTD.

Maindraftersofthisstandard:

Yanggang,ChenJiansheng,HuangJialin.

Theformerversionsofthisstandardare:

－JB3575-1984,GB/T9076-1988,JB/T7689-1995.

SuspensionElectromagneticSeparator

1.Scope

Thisstandardspecifiestheclassifications,technicalrequirements,testmethods,testrules,mark,package,andstorageforsuspensionseparators.

Thisstandardisapplicabletosuspensionelectromagneticseparators（hereinafterreferredtoas"separator"）.Usedwithbeltconveyor,thisseparatorcanremovetheferromagneticarticlesamong0.1kg~25kgintermixinginthescatteringnonmagneticmaterials.

2.Normativereferences

Clausesoffollowingfileswhichhavebeenquotedbythisstandardwillbecomeclausesofthisstandard.

Allthefollowingmodificationnoticesorrevisedversionofdatedreferencesdonotapplytothisstandard,however,Agreementofallkindsofresearchaccordingtothisstandardisencouraged,whetheritsnewestversioncanbeusedornot.AnyReferencesthatarenotdatedwhosenewestversionsapplytothisstandard.

GB/T191PackagingPictorialmarkingforhandlingofgoods（GB/T191-2000,eqvISO780:

1999）.

GB/T3768Acoustics-DeterminationofSoundPowerLevelsofNoiseSourcesUsingSound,SurveyMethodUsinganEnvelopingMeasurementSurfaceoveraReflectingPlane（GB/T3768-1996,eqvISO:

3746:

1995）.

GB/T5783HexagonHeadBolts-FullThread（GB/T5783-2000,eqvISO:

4017:

1999）.

GB/T6388Shippingmarkoftransportpackage.

GB9969.1Generalprinciplesforpreparationofinstructionsforuseofindustrialproducts

GB/T13306Nametags

GB/T13384Generalspecificationsforpackageofmechanicalandelectricalproducts.

JB/T1604Codeofdesignationsforminingmachineryproducts

3Productclassifications

3.1Type

3.1.1Accordingtodischargingmethod,separatorscanbedividedinto2types.

a）Manualdischargingtype:

b）Autodischargingtype:

3.1.2Accordingtocoolingmethod,separatorscanbedividedinto5types:

a）Naturalcoolingtype:

b）Fancoolingtype:

c）Oilcoolingtype:

d）Heatpipecoolingtype:

e）Othercoolingtype

3.2Model

ModelrepresentationmethodsshouldinaccordancewithJB/T1604.

JB/T7689-2004

RCD□―□（G）

3.3BasicParameter 

3.3.1ThebasicdataofcommonseparatorshouldbeinaccordancewithTable1

Table1

BasicData

Model

RCD□-5

RCD□-6

RCD□-8

RCD□-10

RCD□-12

RCD□-14

RCD□-16

RCD□-18

RCD□-20

RCD□-22

ApplicablebeltwidthE（mm）

500

650

800

1000

1200

1400

1600

1800

2000

2200

Suspensionheight

（mm）

150

200

250

300

350

400

450

500

550

600

Excitationpower（Kw）

≤1.2

≦3.0

≤5.0

≤7.0

≤9.0

≤12.0

≤16.0

≤22.0

≤30.0

≤40.0

Magneticinduction

strengthofhotstate（mT）

≥63

≥65

≥68

≥71

≥74

Cycleduty

CONTINUOUS

note:

Thecharactercode□meansA,B,C,D,E,F,G,H,Y.

3.3.2StrongmagneticseparatorshouldbeinaccordancewithTable2

Table2

BasicData

Model

RCD□-5

RCD□-8G

RCD□-10G

RCD□-12G

RCD□-14G

RCD□-16G

RCD□-18G

RCD□-20G

RCD□-22G

Applicablebelt

width（mm）

650

800

1000

1200

1400

1600

1800

2000

2200

Suspensionheight

（mm）

200

250

300

350

400

450

500

550

600

Excitation

power

（kw）

G=I

≤5

≤7

≤9

≤12

≤15

≤18

≤21

≤25

≤29

G=II

≤7

≤9

≤12

≤16

≤20

≤24

≤28

≤33

≤40

G=III

≤11

≤14

≤18

≤22

≤27

≤33

≤40

≤47

≤55

Magneticinduction

strengthofhotstate

mT

G=I

≥90

G=II

≥120

G=III

≥150

Cycleduty

CONTINUOUS

Note:

“□”isrepresentativeofA,B,C,D,E,F,G,H,Y.

4.Technicalrequirements

4.1Separatorshouldbeinaccordancewiththerequirementsofthisstandard,andmanufacturedaccordingtodrawingsandtechnicaldocumentswhichisapprovedbyregulatedprocedure.

4.2Separatorcanworkreliablyunderthefollowingconditions:

a）Altitudelevelislessthan2500m

b）Ambienttemperatureis-25℃~40℃

c）Therelativehumidityofairislessthan90%

d）Noingressofrainandsnow

e）Thesurroundingmediumsarewithouttheriskofexplosion,andnogasanddusttocorrodemetalanddamageinsulation

4.3Insulatingresistanceofseparatorwindingformachineismorethan10MΩincold-state.

4.4Insulationofseparatorwindingformachineshouldensurethatitcanundertake50HzACtestingvoltagein1minandnopunctureandflashoverunderconditionsintable3.

Altitudeleveloftestsite

（m）

ratedinsulationvoltageV

>60~380

>380~660

testvoltageV

0~500

2400

3000

>500~1000

2300

2850

Table3

4.5Limitedtemperatureriseofseparatorwindingcannotexceedfollowingvalue:

Adegreeinsulation-------65℃

Bdegreeinsulation-------90℃

Fdegreeinsulation-------115℃

Hdegreeinsulation-------140℃

4.6Separatorshouldhavereliablegroundingfacility,andlocationofgroundinghasobviousgroundingmark.

4.7Eachoperatingpartofseparatorshouldrotateflexibly.Reducershouldoperatesteady,andeachsealedpartshouldnotleakoilwhichtemperatureriseofoilshouldbeless40℃.

4.8Windingofoilcoolingtypeseparatorshouldimmersefullyinoiloftransformer,boxshouldbenooilleakage.

4.9heatpipeofoilcoolingtypeseparatorshouldbenoleakage,andtemperaturedifferenceofitstwoendsshouldbeless1.5℃.

4.10Iron-attractingcapacityofcommonseparatorshouldconformtorequiredminimumattractingheightoftable4,iron-attractingcapacityofstrongmagneticseparatorshouldconformtorequiredminimumattractingheightoftable5.

表4

Model

RCD□-5

RCD□-6

RCD□-8

RCD□-10

RCD□-12

RCD□-14

RCD□-16

RCD□-18

RCD□-20

RCD□-22

Minimum

attractingheight

mm

200

230

300

365

425

490

540

590

640

690

表5

Model

RCD□-6G

RCD□-8G

RCD□-10G

RCD□-12G

RCD□-14G

RCD□-16G

RCD□-18G

RCD□-20G

RCD□-22G

Minimum

attractingheight

mm

G=Ⅰ

250

330

400

460

525

580

630

680

730

G=Ⅱ

280

365

440

500

565

620

670

720

770

G=Ⅲ

320

400

480

540

605

660

710

760

810

4.11Thesuspensionequipmentofseparatorshouldbestrengthenoughtoensuresecurity.

4.12NoiseSPLofseparatorshouldbeless85dB（A）.

4.13Separatorshouldinstallandusereasonably,thepartswithinmagneticfieldofseparatoraremadeofnon-magneticconductivitymaterials.

4.14Thesurfaceofexposedmetalcomponentshouldbepaintedequably,nodrop,spalling,flawandflowmark.

4.15Thecompletesetseparatorshouldbecontained:

a）separator

b）Commutatingcontrolcabinet.

5Testmethods

5.1Magneticinductionismeasuredbyteslameterwithlowerthan2.5precisionclassinhotstateandatthelocationwherethedistanceisratedsuspensionheightandcenteronmagneticpole.

5.2ExcitationpowerismeasuredbyDCvoltagemeterwithhigherthan1.0precisionclassincoldstate.

5.3Test4.3with500Vinsulatedresistancemeter,precisionclassofallmetersshouldbehigherthan1.5.

5.4Test4.4with5000Vhighvoltagetesttransformer,precisionclassofallmetersshouldbehigherthan0.5.

5.5Test4.5withcircuitfailuretester,precisionclassofallmetersshouldbehigherthan0.5.

5.6Test4.7withmorethan2hidlingexperiment.

5.7LeakwithNitrogenmassspectrometryleakagemeterforrequirementof4.9,theheatpipeshouldbedrywhenleaking:

testtemperaturedifferenceofitstwoendswithPRT.

5.8Testiron-attractingcapacityinhotstateasperrequiredheightbyM16*50screwprovidedinGB/T5783.

5.9TestnoiseinaccordancewithGB/T3768.

6principleoftest

6.1Eachseparatorenablestodeliveryaftertestofqualityinspectorandhavequalitycertificate.6.2Eachseparatorshouldbeinspectedbeforedelivery,testthemagneticinductionand4.3,4.4,4.6,4.7,4.10,4.11,4.14beforedelivery.Test4.8and4.9respectivelyforoilcoolingseparatorandheatpipecoolingseparator.

6.3Separatorshouldhavepatterntestunderoneofthefollowingconditions:

a）Beforeproductionofnewproductsorturnfactoryproductionofoldproduc