中华人民共和国国家标准次氯酸钠发生器Peoples Republic of China.docx

中华人民共和国国家标准次氯酸钠发生器Peoples Republic of China.docx

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中华人民共和国国家标准次氯酸钠发生器PeoplesRepublicofChina

中华人民共和国国家标准----次氯酸钠发生器〔People'sRepublicofChinanationalstandard--sodiumhypochloritegenerator〕

People'sRepublicofChinanationalstandard--sodiumhypochloritegenerator

SodiumhypochloritegeneratorGB12176-90

1themecontentandscopeofapplication

Thisstandardspecifiestheproductclassification,technicalrequirements,testmethodsandinspectionrulesofsodiumhypochloritegeneratorforelectrolysisoflowconcentrationsaltwater.

Thisstandardissuitablefordrinkingwaterdisinfection,wastewatertreatment,sanitationandepidemicpreventionandtheuseofsodiumhypochloritegeneratorinindustrialproductiondepartment.

2citationcriteria

GB3859semiconductorpowerconverterGB5461ediblesalt

HygienicstandardofdrinkingwaterforGB5749

GB5750StandardTestMethodfordrinkingwater

JB1043chemicalcorrosionprotectionlowvoltageapparatus

TestmethodforchemicalgascorrosionofJB1045electricalproducts

GeneraltechnicalrequirementsforpackagingofJB2759mechanicalandelectricalproducts

3termsandterms3.1electrolyzerelectrolyticcell

Inthesodiumhypochloritegeneratorforelectrolysisoflowconcentrationsaltwater,theelectrolyticreactionandsolutionreactionarecalledelectrolyticcells.Differentcellstructureandelectrodeshapecanbeadoptedintheelectrolyzeraccordingtodifferentoperationmodesandrequirements.

3.2effectivechlorineconcentration（C）concetrationofavailablechlorine

Theoxidationcapacityofsodiumhypochloritesolutionisquantitativelyexpressedbyeffectivechlorineconcentration.Theoxidationcapacityofeachlitersolutionisequivalenttotheoxidationcapacityofseveralgrammasschlorineinwater.Unitg/L.Theeffectivechlorineconcentrationis2timesoftheconcentrationofthepositivevalencechlorineinthesolution.Thesolutioncontains1gofsodiumhypochloriteandcontainseffectivechlorine0.953g.

3.3effectivechlorineyield（G）productionofavailablechlorine

Theoutputofsodiumhypochloritegeneratorisexpressedbyeffectivechlorineyield,whichisequaltoG（unitg/h）ofeffectivechlorineperhourwhentheequipmentisworkinginratedstate.Theeffectivechlorineyieldwascalculatedaccordingtoformula

（1）:

G=CxQ

（1）

Formula:

Q-hourlysodiumhypochloritesolutionflowrate,L/h.

3.4currentefficiency（n）currentefficiency

Theratiooftheactualquantityoftheeffectivechlorinetothetheoreticalamountofproductioniscalledthecurrentefficiencyoftheelectrolyticcellafterflowingthroughacertainamountofelectricityintheelectrolyticcell.AccordingtotheelectrolysislawofFala'sbrother,thetheoreticalyieldofeffectivechlorineis1.323gwhentheelectricquantityof1A/hpassesthroughtheelectrolyzer.Thecurrentefficiencyiscalculatedaccordingtotheformula

（2）:

N=G/Ixnx1.323x100%

（2）

Type:

I--electrolyticcurrent,A;

Nseriesseriesofelectrodes;

1.323-Theoreticalgenerationofeffectivechlorineperamperehour,g/（A?

H）.

3.5electrolyticvoltage（V）electrolyticvoltage

Whenthesodiumhypochloritegeneratoroperatesinratedstate,thedirectvoltageappliedbetweentheanodeandcathodeoftheelectrolyticcelliscalledelectrolyticvoltage,unit（V）.Theelectrolyticvoltageisexpressedbymultiplyingtheelectrolyticvoltageofeachpairofanodeandcathodebetweenthecathodeandanodeinseries.Suchas4V*3.

3.6ratedelectrolyticcurrent（I）nominalelectrolyticcurrent

Inordertomaintainthenominalyieldofsodiumhypochloritegenerator,theelectrolyticcurrentflowingthroughtheelectrolyticcelliscalledratedelectrolyticcurrent,unit（A）.Whentheequipmentelectrolyzerispoweredbymanypairsofanodeandcathode,theratedelectrolyticcurrentcanbeexpressedbymultiplyingthecurrentbetweeneachpairofelectrodesandthenumberofparallelpoles,suchas50A*2.

3.7electrolyteconcentration（S）concentrationofelectrolytesolution

Sodiumhypochloritegeneratoradoptslowconcentrationsaltwateraselectrolyte.TheconcentrationofelectrolyteisexpressedingramsperliterofsolutioncontainingNaCI,unitg/L.

3.8DCpowerconsumption（PDC）DCpowerconsumption

Thesodiumhypochloritegeneratoroperatesunderratedcondition,

TheDCenergyconsumedbyeacheffectivechlorinegeneratedintheelectrolyticcelliscalledthedirectcurrentpowerconsumption.Theunitis（kW?

H）/kg,andtheformulaiscalculatedaccordingtotheformula（3）.（1kg）:

PDC=UxI/G=UxI/QxC（3）

Type:

U--VDC;

I--electrolyticcurrent（ADC）;

G--effectivechlorineyield（g/h）;

Q-sodiumchloridesolutionyield（L/h）;

C--theeffectivechlorineconcentration（g/L）ofsodiumhypochlorite.

3.9alternatingcurrentconsumptionPACACpowerconsumption

Whenthesodiumhypochloritegeneratorworksunderratedcondition,theeffectivechlorineproducedbythewholemachinecanbecalledACpowerconsumption.Theunitis（kW=h）/kg,andtheformulaiscalculatedaccordingtotheformula（4）.（1kg）:

PAC=P1x1000/G（4）

Type:

P1--theinputactivepowerofthewholemachine,kW.

3.10saltconsumption（Us）saltconsumption

Whenthesodiumhypochloritegeneratoroperatesunderratedcondition,thequalityofNaCIconsumedbyproducing1kgeffectivechlorineiscalleditssaltconsumption,theunitiskg/kg,andtheformulaiscalculatedaccordingtotheformula（5）:

Us=S/C（5）

Formula:

S-electrolyteconcentration,g/L;C-effectivechlorineconcentration,g/L;

4,productclassification

4.1classificationprinciple,sodiumhypochloritegeneratoraccordingtotheuse,operationmode,specificationsandqualitylevelclassification.

4.1.1sodiumhypochloritegeneratorisdividedintotwocategories:

sanitarydisinfectionandenvironmentalprotectionaccordingtoitsuse.Sanitarydisinfectioncanbeusedforenvironmentalprotection,andenvironmentalprotectionshallnotbeusedforsanitarydisinfection.Sanitarydisinfectionreferstothesodiumhypochloritegeneratorwhichisdirectlyrelatedtothehealthofhumanbodyfordisinfection,sanitationandtablewaredisinfection,vegetables,fruits,fooddisinfectionandsoon.Environmentalprotectionreferstothesodiumhypochloritegeneratorwhichisnotdirectlyrelatedtohumanhealth,suchasindustrialwastewatertreatment,hospitalsewagetreatmentandotherindustrialsectorsthatusesodiumhypochloritesolution.

Theoperationmodeof4.1.2sodiumhypochloritegeneratorisdividedintotwotypes:

continuousoperationandintermittentoperation.

4.1.3sodiumhypochloritegeneratorspecificationsaccordingtotheeffectivechlorineyieldequipmentisdividedinto5,10,25,50,75,100,150,200,250,300,400,500,750,1000,1500,2000,3000,5000,g/h,morethan5000g/hspecificationsaredeterminedaccordingtotheactualneeds.

4.1.4sodiumhypochloritegeneratorisdividedintohighqualityproducts（A）,firstgradeproducts（B）andqualifiedproducts（C）accordingtoqualitygrade.

4.2productlabeling

Theproductmarkof4.2.1sodiumhypochloritegeneratorconsistsof3partsandisarrangedinthefollowingorder:

Productname;technicalcharacteristics;standardnumber.

4.2.2productnameis"sodiumhypochloritegenerator"".

Thetechnicalfeaturesof4.2.3consistoftheuseoftheequipment,themodeofoperation,thespecifications,thelettersandnumbersofthequalitygrade.

ThefirstChinesephoneticalphabetofthefeaturepartof4.2.3.1technologyindicatestheuseoftheequipment.Theletter"W"isusedforsanitarydisinfection,andtheletter"H"isusedforenvironmentalprotection.

ThesecondChinesephoneticalphabetsinthefeaturepartofthe4.2.3.2technologyrepresenttheoperationmodeoftheequipment,codeL-continuouselectrolyticmode,J-batchtypeelectrolyticprotection.

ThethirdArabiafiguresofthe4.2.3.3technologyfeaturerepresentthespecificationsoftheequipment,andthenumericalvalueistheratedoutputoftheequipment.

Thefourthlettersofthe4.2.3.4technologyfeatureindicatethequalityleveloftheproduct.LetterA-qualityproducts,B-gradeA,C-qualifiedproducts.

Thestandardpartofthe4.2.4productlabelindicatesthattheproductconformstothenationalstandardandisexpressedinGB12176.

4.3productlabelingexamples

Forexample:

fordisinfection,continuousoperation,theratedyieldof100%g/h,qualitygradereachedthefirstclassofsodiumhypochloritegenerator,itsproductsmarkedas:

SodiumhypochloritegeneratorWL100BGB12176-90

Four

4thequalitygrademarkusedinproductmarkandthemarkconformingtotherequirementsofthisnationalstandardmustbeapprovedbythestatespecializedagencyordesignatedqualitymonitoringunit.

4.5thespecificmodeloftheproductallowstheproductionplanttodetermineaccordingtotherequirementsofthisstandard.

5technicalrequirements

5.1theuseofenvironmentalconditions:

sodiumhypochloritegeneratorshouldbeabletoworkinthefollowingenvironment.

5.1.1ambienttemperature:

0~40oC.

5.1.2ambienthumidity:

themaximumrelativehumidityinairisnotmorethan90%（equivalenttoair20+5oC）.

5.1.3inthequalitygradeforthequalityofsodiumhypochloritegeneratorontheselectionoflowvoltageelectricalappliancesinadditiontomeettheirrespectiveproducttechnicalrequirements,shouldalsocomplywiththeprovisionsofJB1043.

5.2basictechnicalrequirements

5.2.1sodiumhypochloritegeneratorshallbemanufacturedaccordingtothedrawingsandtechnicaldocumentsapprovedbytheprescribedprocedures.

Thespecificationsof5.2.2sodiumhypochloritegeneratorshallcomplywiththerequirementsofthisstandard4.1.3.

5.2.3sodiumhypochloritegeneratoraccordingtot