Uma kukhona ukukhubazeka kusihlungi se-hepa kanye nokufakwa kwaso, njengezimbobo ezincane kusihlungi ngokwaso noma imifantu emincane ebangelwa ukufakwa okuxekethile, umphumela wokuhlanza ohlosiwe ngeke ufezwe.Ngakho-ke, ngemuva kokufakwa noma ukushintshwa kwesihlungi se-hepa, kufanele wenze ukuhlolwa kokuvuza kusihlungi nokuxhumeka kokufakwayo.
1. Inhloso kanye nobubanzi bokutholwa kokuvuza:
Inhloso yokuhlonza: Ngokuhlola ukuvuza kwesihlungi se-hepa, thola ukukhubazeka kwesihlungi se-hepa nokufakwa kwaso, ukuze uthathe izinyathelo zokulungisa.
Ibanga lokutholwa: indawo ehlanzekile, ibhentshi lomsebenzi wokugeleza kwe-laminar nesihlungi se-hepa kumishini, njll.
2. Indlela yokuthola ukuvuza:
Indlela evame ukusetshenziswa kakhulu yindlela ye-DOP yokuthola ukuvuza (okungukuthi, ukusebenzisa isincibilikisi se-DOP njengomthombo wothuli nokusebenza ne-aerosol photometer ukuze kutholwe ukuvuza).Indlela yokuskena ikhawunta yezinhlayiyana zothuli ingasetshenziswa futhi ukuthola ukuvuza (okungukuthi, ukusebenzisa uthuli lwasemkhathini njengomthombo wothuli nokusebenza ngekhawunta yezinhlayiyana ukuthola ukuvuza. ukuvuza).
Kodwa-ke, njengoba ukufundwa kwekhawunta yezinhlayiyana kuwukufunda okuqongelelwe, akusizi ukuskena futhi isivinini sokuhlola sihamba kancane;ngaphezu kwalokho, ohlangothini oluphezulu lwesihlungi se-hepa ngaphansi kokuhlolwa, ukugxila kothuli lwasemkhathini kuvame ukuba phansi, futhi kudingeka intuthu eyengeziwe ukuze kutholakale kalula ukuvuza.Indlela yokubala izinhlayiyana isetshenziswa ukuthola ukuvuza.Indlela ye-DOP ingakwazi ukuvala lokhu kushiyeka, ngakho manje indlela ye-DOP isetshenziswa kakhulu ukuthola ukuvuza.
3. Umgomo wokusebenza wokutholwa kokuvuza kwendlela ye-DOP:
I-aerosol ye-DOP ikhishwa njengomthombo wothuli ohlangothini oluphezulu lwesihlungi esisebenza kahle kakhulu esihlolwayo (i-DOP i-dioctyl phthalate, isisindo semolekyuli singu-390.57, futhi izinhlayiya ziyindilinga ngemva kokufafaza).
I-photometer ye-aerosol isetshenziselwa ukwenza amasampula ohlangothini lokwehlisa umoya.Amasampula omoya aqoqiwe adlula egunjini lokusabalalisa le-photometer.Ukukhanya okuhlakazekile okukhiqizwa igesi equkethe uthuli edlula ku-photometer kuguqulwa kube ugesi ngomphumela we-photoelectric kanye nokukhulisa umugqa, futhi kuboniswa ngokushesha nge-microammeter, ukuhlushwa okuhlobene kwe-aerosol kungalinganiswa.Okukala ukuhlolwa kwe-DOP empeleni izinga lokungena kwesihlungi se-hepa.
Ijeneretha ye-DOP iyithuluzi elikhiqiza intuthu.Ngemva kokuba isincibilikisi se-DOP sithelwa esitsheni sejeneretha, intuthu ye-aerosol ikhiqizwa ngaphansi kwengcindezi ethile noma isimo sokushisisa futhi ithunyelwa ohlangothini oluphezulu lwesihlungi esisebenza kahle kakhulu (uketshezi lwe-DOP luyashisiswa ukuze lwenze umusi we-DOP, futhi isitimu siyathuthumela. ishisiswe ku-Condensate ethile ibe amaconsi amancane ngaphansi kwezimo ezithile, isuse amaconsi amakhulu kakhulu namancane kakhulu, kusale kuphela izinhlayiya ezingaba ngu-0.3um, bese i-DOP enenkungu ingena egunjini lomoya);
Ama-photometers e-aerosol (amathuluzi okulinganisa nokubonisa ukugxila kwe-aerosol kufanele abonise isikhathi sokufaneleka sokulinganiswa, futhi angasetshenziswa kuphela uma edlula ukulinganisa futhi engaphakathi kwesikhathi sokufaneleka);
4. Inqubo yokusebenza yokuhlolwa kokutholwa kokuvuza:
(1).Ukulungiselela ukutholwa kokuvuza
Lungiselela okokusebenza okudingekayo ukuze kutholwe ukuvuza kanye nepulani laphansi lomgudu ophakela umoya wesistimu yokuhlanza neyomoya endaweni ezohlolwa, futhi wazise inkampani yezinto zokuhlanza nezomoya ukuthi ibe sendaweni ngosuku lokuvuza. ukutholwa ukwenza imisebenzi efana nokusebenzisa iglue nokushintsha izihlungi ze-hepa.
(2).Umsebenzi wokuthola ukuvuza
①Hlola ukuthi ingabe ileveli yoketshezi ye-DOP solvent kujeneretha ye-aerosol iphakeme kuneleveli ephansi, uma inganele, kufanele yengezwe.
②Xhuma ibhodlela le-nitrogen ejeneretha ye-aerosol, vula ukushintsha kwezinga lokushisa kwejeneretha ye-aerosol, bese ulinda kuze kube yilapho isibani esibomvu sishintsha sibe luhlaza, okusho ukuthi izinga lokushisa liyafinyelelwa (cishe 390~420℃).
③Xhuma ingxenye eyodwa yepayipi yokuhlola embobeni yokuhlola yokugxilisa ingqondo ekhuphuka nomfula ye-aerosol photometer, bese ubeka enye ingxenye ohlangothini lwe-air inlet (uhlangothi olungenhla nomfula) lwesihlungi se-hepa esihlolwayo.Vula iswishi ye-photometer futhi ulungise inani lokuhlola libe ngu-"100".
④Vula iswishi ye-nitrogen, lawula ukucindezela kokuthi 0.05~0.15Mpa, vula kancane ivalvu kawoyela yejeneretha ye-aerosol, lawula inani lokuhlola le-photometer ku-10~20, bese ufaka ukugxiliswa okulinganiselwe phezulu komfula ngemva kokuba inani lokuhlola lizinzile.Yenza ukuskena nokuhlola okulandelayo.
⑤Xhuma ingxenye eyodwa yepayipi yokuhlola embobeni yokuhlola yokugxilisa ingqondo engezansi komfula we-aerosol photometer, bese usebenzisa enye ingxenye, ikhanda lesampula, ukuskena uhlangothi lokukhipha umoya lwesihlungi kanye nobakaki.Ibanga phakathi kwekhanda lesampula nesihlungi licishe libe ngu-3 kuya ku-5 cm, eduze kohlaka lwangaphakathi lwesihlungi iskenwa emuva naphambili, futhi isivinini sokuhlola singaphansi kuka-5cm/s.
Ububanzi bokuhlola buhlanganisa okokuhlunga, ukuxhumana phakathi kwezinto zokuhlunga nohlaka lwazo, ukuxhumana phakathi kwe-gasket yohlaka lokuhlunga kanye nohlaka lokusekela lweqembu lesihlungi, ukuxhumana phakathi kohlaka lokusekela nodonga noma uphahla ukuze kuhlolwe. isihlungi esiphakathi kwamaphinifa amancane kanye nomunye umonakalo kusihlungi, izigxivizo zefreyimu, izimpawu ze-gasket, kanye nokuvuza kuhlaka lokuhlunga.
Ukutholwa kokuvuza okujwayelekile kwezihlungi ze-hepa ezindaweni ezihlanzekile ngaphezu kwekilasi 10000 ngokuvamile kwenzeka kanye ngonyaka (unyaka owodwa ezindaweni ezingenalutho);lapho kunokungajwayelekile okuphawulekayo enanini lezinhlayiya zothuli, amagciwane e-sedimentation, kanye nesivinini somoya ekuqashweni kwansuku zonke kwezindawo ezihlanzekile, ukutholwa kokuvuza kufanele futhi kwenziwe.
Isikhathi sokuthumela: Sep-07-2023