天然气安全常识(国外英文资料).docx
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天然气安全常识(国外英文资料).docx
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天然气安全常识(国外英文资料)
NaturalgassafetyUSEScommonsense
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Thenatureofnaturalgas
Naturalgasiscolorless,odorless,non-toxicandnon-corrosive,mainlymethane,includingacertainamountofethane,propaneandheavyhydrocarbons.Thereisalsoasmallamountofnitrogen,oxygen,carbondioxideandsulfide.
Themolecularstructureofmethaneiscomposedofacarbonatomandfourhydrogenatoms,whicharemainlycarbondioxideandwater.?
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Comparedwiththeartificialcoalgasandotherfuels,naturalgasburningdustonlysmallamountsofcarbondioxideemissions,andtraceamountsofcarbonmonoxide,hydrocarbons,nitrogenoxides,therefore,naturalgasisakindofcleanenergy.
Second,thesuperiorityofnaturalgas
Naturalgasisaclean,environmentallyfriendly,affordable,safeandreliablesourceofenergy,withalmostnosulfur,dustandotherhazardousmaterials.Burningproduceslesscarbondioxideandproducesnoresidue,therebyimprovingenvironmentalquality.Naturalgasis
non-toxicandnon-corrosive,notpronetohumanpoisoning.Inordertoensuretheuser'ssafeuse,itcanbedetectedbystinktreatment,suchasleakageandpungentsmell.
Naturalgasisdelivereddirectlytotheuser'soventhroughthegaspipeline,whichistime-saving,time-savingandreadytouse.
Theuseofnaturalgas
Naturalgasiswidelyusedincivilandcommercialgasstoves,waterheaters,heatingandrefrigeration,alsousedinpapermaking,metallurgy,stone,ceramic,glassandotherindustries,canalsobeusedforpowergeneration,usedaschemicalrawmaterials,processingcanalsobeusedforwasteincinerationanddryingdehydration.
Gasisalsowidelyusedincars.Carbonmonoxide,nitrogenoxidesandhydrocarbonsemissionsofnaturalgasvehiclelevelsweresignificantlylowerthangasoline,dieselenginecar,nocarbondeposition,don'twear,lowoperatingcosts,isakindofenvironmentallyfriendlycars.
Thereplacementofnaturalgas
Naturalgasandman-madegasaretwodifferentkindsofgas,whicharedifferentintheheatvalue,theflame
propagationspeedandthegaspressure.Naturalgasisusuallydrygas,whichcontainsnoimpurities,highheatvalue,slowflamepropagationandhighpressure.Artificialgasisamixtureofvariousgases,containingimpuritiessuchaswater,tardustandhydrogensulfide,andthetransportpressureislow.Naturalgasandartificialgasarenotinterchangeablefromcombustioncharacteristics.
Therefore,whenthegasisconvertedtonaturalgas,itmustbemodifiedandreplacedwiththegasdistributionnetwork,measuringinstrumentsandgasequipment.
Gasdisplacementisgenerallywithoutaffectingtheconversionregionundertheconditionofgassupply,cutoffthetransitionareaofthepipenetworksystemandtheartificialcoalgaspipelinenetworksystem,andthenreducetheartificialcoalgaspipenetworkpressuretransformationarea.Whenthepressureisreduced,thegasisimportedintotheconvertedareaandthegasisscatteredatthepre-setreleaseuntilthegassampleconcentrationisreached.Theadvantageofthisschemeisthatthereplacementspeedisfastandtheuserissafe.
Userconsiderationsintheprocessofnaturalgasreplacement
Theuserwhoreceivesthereplacementnoticemustbekeptathome.Ifthereisnooneinyourroomatthetimeofthereplacement,youwillnotbeabletoreplaceandusenaturalgasinyourupstairsanddownstairsapartment,sopleasebesuretostayhome.
2.Startingfromthenoticereplacementduringthecompletionofthereplacement,usersarestrictlyprohibitedtoopenthegasstovesandotherequipment,burnerdebuggingshouldbecarriedoutbythegascompanystaff,afterdebuggingtonormaluserscannormalusegas.
3.Theuseoftheeyesoftheovenusers,beforethereplacementbythegascompanystafftomodifyoneofthekitchen,andpostseals,gasexchange,tomodifyakitchen.
Naturalgasisstrictlyprohibitedinman-madegascookers.
5.Afterreplacement,theusermuststrengthenthemonitoringoffuelgasfacilitiesinthehome,ifdiscovertothereispeculiarsmellorabnormalsituation,indoortoimmediatelyshutoffthetablebeforethevalveandopenthedoorandwindowventilation,andsafetyintheoutdoorgasalarmtelephonecall.
Thepolicyofdisplacement
Thenaturalgasreplacementprojectwasundertakenbybaiyingasco.,LTD.
Encourageresidentstochangestoves.Accordingtothenationalbureauofqualityandtechnologysupervision(GB17905-2008):
Itisrecommendedthatusersreplacethestovewithnofireprotection.
Itisrecommendedthattheuserchangethekitchenutensilswhicharemorethanfiveyearsold,incompleteandold.
Itisusedfortheperiodofeightyears(includingeightyears),anditismandatorytobescrapped.
Theuser
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