1、EAEPAJbHOE AEHTCTBONO TEXHMYECKOMY PEryJMPOBAHMIO M METPOOrHAUOHAbHbIFOCT PCTAHAAPTPOCCMMCKO56872-EEPAU2016FA3 PPOAHbIOnpegeneHne nokcnga yrnepoac noMOwbo hAnKaTopHbIX Tpy6oKM3aHne onnanbHoeMocKBaCCTaH,AapTHOpM2016FOCTP 56872-2016HALMOHANbHbIM CTAHAAPT POCCMCKO EAEPAMFA3 PPOAHbIMOnpegeneHue AnokcuAa
2、 yrnepoga c noMowbo HAnKaTopHbIX Tpy6oKNatural gas.Determination of carbon dioxide by detector tubesAaTa BBeAeH-2017-01-011 06nacTb npMeHeHA1.1 HacTownctaHgaptyctaHaBnnBaet metogonpegeneHnAcogepxaHng gnokcnga yrnepoga snpn-poAHoM ra3e B Tpy6onpoBogax B noneBbix ycnoBx.HAKaTopHble TpyoK no3BonOT npOB
3、OATb 3Mepe-HA B guana3oHe ot 100 ppm(yacten Ha munnnoH)go 60%06.,npu 3Tom pa6onn gnana3oH n3MepeHHaxognTcA Ha HnKHeM ypoBHe gaHHoro gnana3oHa(MeHee 5%o6.).V3roToBntenb o6ecneynBaet cneynanb-Hbii komnnekt An n3mepehng gnokcnga yrnepoga B guana3oHe ot 10%06.go 100%06.,npn 3tom He chegy-et ucnonb3oBatb
4、 oobi4hbi pyyho hacoc n npokayBaHn 100 cM3(cM.npuMeyaHne 1).p n Me 4 a H ne 1-VHAnKaTopHbie Tpy6kn Ang onpegeneHnA Bbicokoro cogepaHn Anokcnga yrnepoga Bra3e pernctpupyiot ero Konn4ectBo B npoyeHTax(%CO2),AnA Hn3Koro cogepaHnA-B 4actAX Ha MnnnOH(ppm).Ana nepeBoga 3Ha4eHi B npoyeHTax B 3Ha4eH B ppm n
5、ony4eHHbi pe3ynbTat yMHoxaoT ha 10000(1%=10000 ppm).1.2 3Ha4eHng B eAnHnLax cncTeMbi CU c4nTalotcA ctaHAapTHbiMn.B cko6kax AnA nHpopMaynn npnBe-AeHbI 3Ha4eHg B eAHuaxAoM-yHT.1.3 B HacToAueM cTaHgapte He npeAycMoTpeHo paccMoTpeHe Bcex BonpocoB o6ecne4eHnA 6e3onac-HOCTM,cB3aHHbIX c ero cnonb3oBaHeM.on
6、b3oBaTenb cTaHgapTa Hecet oTBeTCTBeHHOCTb 3a o6ecne4e-HMe cooTBeTCTByHOX Mep 6e3onacHOcTn n oxpaHbI 3AopoBbA onpegengeT Lenecoo6pa3HOcTbnpuMeHeHn 3akoHogaTenbHbix orpaH4eH nepeg ero cnonb3oBaHeM.2 HopMaTBHble ccbInKnB HacTo山eM cTaHgapte ncnonb3oBaHa HopMaTnBHag ccbinka ha chegyiownN cTaHAapt:2.1 CTa
7、HAapT Accounaunn nepepa6oTynKoB ra3aNIA 2337 cnbiTaHne Ha cepoBogopog u qnokcng yrnepoga B npupogHom ra3e no gnnHe okpaweHHo30HbI HAKaTopHbIX Tpy6oK(GPA 2337,Test for hydrogen sulfide and carbon dioxide in natural gas usinglength-of-stain tubes)1)3 TepMHbI n onpeAeneH3.1 B HacToAueM cTaHAapte npnMeH
8、eHbi cheAyiowe TepMMHbI c cooTBeTcTByowM onpeAene-HAM:3.1.1 Hacoc Ana nHAnkatopHon rpy6kn(detector tube pump):Py4Ho Hacoc nopwHeBoro unn cunb-中oHhoro tuna,o6ecnenBaiounn 3a ognh xoA nopwHA BcacbiBaHne epe3 nHAnkatopHyo Tpy6ky(1005)cM3o6pa3ya2).OH AonxeH 6bitb koHctpyKtBHo coBMectnM c nHAnKaTophbIMn
9、Tpy6KaMn.1)MOXHO 03HaKOMMTbCR B Accounaynn nepepa6oT4nKoB ra3a(Gas Processors Association),6526 East 60th St.,Tulsa,OK 74145.2）PyKoBoACTBo no nchonb30BaHnIo KonopnMeTpn4ecKnXHAKaTopHbIx Tpy6oK c HenocpeACTBeHHbIM C4NTbIBaHN-em(Direct reading colorimetric indicator tubes manual),First ed.,American In
10、dustrial Hygiene Association,Akron,OH 44311.M3AaHne opnunanbHoeFOCT P 56872-20163.1.1.1 NocHeHe-VHAnKaTopHa Tpy6ka n Hacoc cnonb3yoTCA BMecTe KaK eAnHoe ycTpOcTBO.M3roToBnTenb kann6pyet nHAnKaTopHbie Tpy6kn B cooTBeTcTBun cnponyckHbIMn XapakTepncTnKaMn Hacoca.3anpewaeTcA coBMeweHne HacocoB n Tpy6oK
11、pa3HbIX 3roToBnTenen,nockonbky np 3TOM TO4HOCTb3MepeH Moket 6bitb 3Ha4ntenbho chneHa2).3.1.2 kaMepa Ang or6opa npo6 ra3a(gas sampling chamber):io6oi KoHTeHep,o6ecne4nBaownipa3MeweHne HAnKaTopHoM Tpy6kn B noToke oT6npaeMoro ra3a np atMocOepHoM gaBneHnn n no3Bonio-山n n3onnpoBatLo6pa3ey ot okpyxaowei a
12、tMocpepbi.Mexgy knanaHom ncTo4Hnka n kamepoi gng oT6opanpo6 ra3a gonxeH 6bITb ycTaHoBneH ronbatbi knanaH 3 HepaBeowen ctann(unn peryngtop gaBneHna)Ang perynmpoBaHnA ckopoct notoka o 1go 2 06beMoB o6pa3ya B MHyty unn,Kak MHMyM,An o6ecne-eHA noToka ra3a np oT6ope npo6b HAnkaTopHo Tpy6Ko.3.1.2.1 oAcHeH
13、ne-B KaectBe KaMepbi Ang oT6opa npo6 MoxHo cnonb3oBatb non3TneHoByonpombiBanky BMecTnMOCTbi 500 cM3(16 yhyni)nnu 1 AM3(32 yHyn).BHyTpeHHR nogaiowag tpy6ka npo-MbiBankn o6ecne4nBaet nogayy o6pa3ua ra3a B HnKHIoo 4acTb 6yTbInKn.Bbipe3aHHOe B KpbiWKe oTBepcTeqnaMeTpoM 14,7 MM(0,5qoMa)o6ecneunBaeT pa3Me
14、uweHe nHAnKaTopHontpy6knnyganeHne BbixogAwerora3a(CM.pucyHoK 1).MoxHo oTo6patb o6pa3eycncnonb3oBaHneM naKeTa Ha MonHnn BMeCTMOCTbo 3,8 AM3(1 rannoH).n6kn wnahr BBogAt yepe3 otKpbitbi yron naketa go Aha.potuBononoxhbi yron Bepxhei4actu naketa 3akpbIt.OcHoBHa npoueAypa B3tng o6pa3ua npnBeAeHa Ha pncyH
15、ke 1.35641-ronb4atbi knanaH;2-knanaH cTo4HnKa;3-nnacTuKoBa(unn u3 Apyroro nogxouero Marepnana)rn6ka rpy6ka;4-kamepa gn or6opa npo6 ra3a;5-Hacoc;6-oTBepcrue An pa3MeeHnA Tpy6kn n Bbixopa ra3a;7-HAnKaTopHaR Tpy6kaPcyHoK 1-CxeMa o6opyAoBaHn2)PyKoBoAcTBo no ucnonb3oBaHnio KonopnMeTpn4ecknX nHAnKaTopHbIX
16、 Tpy6oK c HenocpeACTBeHHbIM C4NTbIBaHM-eM(Direct reading colorimetric indicator tubes manual),First ed.,American Industrial Hygiene Association,Akron,OH44311.2T0CTP56872-20163.1.2.2 noAcHeHne-MoXKHo ncnonb3oBaTb B KayecTBe KaMepbl nakeT N3 MaTepnana,npnroAHoroOT6opa npo6 npnponHoro ra3a(HanpNMep,w3
17、nonn3dnpHon nneHKn).BMecTNMOCTb nakeTa onKHa 6bITbHe MeHee 2AM3.3.1.3 WHAMKaTopHa Tpy6ka Ana onpepeneHna conepxkaHna no AnMHe naTHa(length-of-staindetector tube):3anasHHa cTeKngHHa Tpy6Ka coTnaMblBaeMbIMM KOHYNKaMN,KOHCTpyKTNBHO COBMeCTNMacepxateneM Tpy6kn Hacoca.BHyTpn Tpy6Kn conepKnTca cop6eHT,06b
18、l4HO CwnnKarenb,C HaHeceHHbIMpeareHToM,conepkawM XNMNyeckne BewlecTBa,cneunoNyHble an okcnna yrnepona N N3MeHaoweUBeT npn B3awMoneNcTBWN c nNokcnnoM yrnepona,conepxawMca B o6pa3ue ra3a.B NHCTpykuwN,npwnarae-MON KTpy6kaM,DOnKHbI 6bITb nepeyncneHbl Bce Mewalowne BewecTBa.Kann6poBOYHag wkana nonKHa 6bI
19、TbHaHeceHa HenocpencTBeHHo Ha Tpy6ky.onyckaeTca nna onpeneneHna conepxkaHna nnokcnna yrneponaNcnonb3oBaTb oTnenbHylo KannopoBoYHyio wKany,nplnaraeMylo K TpyokaM.KannopoBoYHaa wkana nonKHaycTaHaBnNBaTb 3aBNCNMOCTb conepkaHna oKcNna yrnepona OT Hbl oKpaweHHoro yuactka.CpokTOnHOCTN WHANKaTopHbIX Tpy6oK
20、 nonxkeH 6blTb He MeHee 2 neT c aTbl N3roToBneHna npn xpaHeHnnB COOTBeTCTBNN c peKoMeHnaLMAMN N3rOTOBNTenA.4Cy山HOCTb MeTona4.1 nponyckaloT o6pa3eu yepe3 WHANKaTopHylo Tpy6ky,3anonHeHHylo cneunanbHbIM XNMNHeCKNMBewecTBOM.nokcnn yrnepona,npncyTCTByiown B o6pa3ue,pearnpyeT c BewecTBOM N npNBOANT K 3MeH
21、e-HNIO UBeTa wnn noaBneHNiO nATHa.AnNHa oKpaweHHoro yuactka NHANKaTopHoN Tpyokn npn Bo3neNCTBWNW3MepeHHoro o6beMa o6pa3ua npaMo nponopunoHanbHa konnyecTBy nwokcnna yrnepona,npwcyTCTBylowe-ro B o6pa3ue.na npokayMBaHna ycTaHoBneHHoro o6beMa o6pa3ua yepe3 Tpy6ky npn KoHTponMpyemoncKopoCTn noToKa Ncnonb
22、3yIOT pyuHON Hacoc knanaHHoro wnn cwnbooHHoro Twna.Pa3Mep nonyueHHoro nATHanpeoopa3yIOT B conepkaHne nNokcnna yrnepona(B ppm wnw B npoueHTax)cpaBHeHneM c KannopoBoYHONwkanon,npwnaraeMon N3roTOBNTeneM K Kaxknon kopo6ke WHANKaTopHbIX Tpy6oK.CNCTeMa npenycMaTpnBaeTnpaMoe CHNTbIBaHne conepkaHna Anokcnna
23、 yrnepona no wkane,nerko TpaHcnopTnpyeMa w nonxonT An6bIcTporo onpeneneHna conepxkaHna nokcnna yrnepona B noneBblx ycnoBnax(CM.npMeyaHne 1).5 Ha3HayeHne n npnMeHeHne5.1 B cneunobnkaunax Ha ra3 ycTaHaBnnBaoT TpeboBaHna K conepkaHwio AwoKcnAa yrnepona Bnpnpo HoM ra3e,nockonbky koppo3NOHHble CBONCTBa n
24、wokcnna yrnepona BnNAOT Ha MaTepnanbl,N3 KOTopbIXN3roToBneHbI TpybonpoBonbl,a Talke Ha wcnonb3yeMoe obopynoBaHne.5.2 HacToaun MeTon ABngeTca 3KOHOMNYHbIM cnoco6oM onpeneneHna conepxaHna AnoKcnAayrnepona B noneBblX ycnoBnAX.KoHCTpyKUNA CNCTeMbI no3BongeT nepcoHany npoBoNTb aHann3 6e3cneunanbHoN npooe
25、ccnoHanbHoN noAroToBKN.6几oMexn6.1 Ha NHANKaTopHble Tpy6kn yacTo Bo3neNCTByHOT ra3bl w napbl,He ABnAHowneca wcnblTyeMblM ra3oM.CTeneHb Bo3neNcTBNa 3aBNCMT OT Mapkn ncnonb3yeMoN Tpy6Kn N MeTonoB o6HapykeHna.HeKoTopble WHAN-KaTopHble Tpy6Kn NMelOT cnon knpenBapntenbHON OYNCTKN,npe Ha3HayeHHbin n CHIKeH
26、NA Bo3neNCTBNAMewalownx BewecTB no onpeneneHHoro ypoBHA.Bonee nonpo6Haa NHoopMauna nplBeneHa B NHCTpyKuNNW3roTOBNTena TpyboK.7 npoBeneHne ncnbltaHnn7.1 Bbl6npaloT nocTynHyio TouKy OT6opa npo6bl ra3a(knanaH MCTOYHNKa Ha oCHOBHoN MHNN).TouKaoTbopa npo6bl nonKHa pacnonaraTbca B BepxHen yacTn TpyoonpoBo
27、na n NMeTb OTBon N3 HepxkaBelowencTann ana oTbopa npo6 3 cpe Hen TpeTn Tpy6onpoBona.KpaTkoBpeMeHHo OTKpbIBaloT knanaH nna nponyBKnKnanaHa coeNHNTenbHoro HWnnenA OT nocTopOHHNX BewecTB.7.2 Ha knanaHe MCTOYHNKa ycTaHaBnMBaloT wronbuaTbln knanaH(wnw perynaTop naBneHn).noAcoe-AWHAIOT npo6ooT6opHNK,Ncnon
28、b3ya rvokylO Tpy6ky MWHWManbHO BO3MOXKHON OHbI(CM.pNcyHOK 1).Bonb-WWHCTBO rN6KNX Tpy6oK N3roToBneHo N3 MaTepnana,npwro Horo nna nwokcnna yrnepona;onHako,ecnwo6pa3eu conepxnT npyrne BewecTBa,Takne kak cepoBonopon,cnenyeT 6onee TwaTenbHo Bbl6npaTb Tpy6kn.He cnenyeT wcnonb3oBaTb Tpy6kn N3 MaTepnana,BcTynarowero B XNMNHeckyio peakunio c npobon wn