Idan akwai lahani a cikin matatar hepa da shigarta, kamar ƙananan ramuka a cikin tace kanta ko ƙananan tsagewar da aka samu ta hanyar sakawa mara kyau, ba za a sami tasirin tsarkakewar da aka yi niyya ba. Don haka, bayan an shigar da matattarar hepa ko maye gurbin, dole ne a yi gwajin ɗigogi akan tacewa da haɗin shigarwa.
1. Makasudi da iyakokin gano zubo:
Dalilin ganowa: Ta hanyar gwada ɗigon matatar hepa, gano lahanin matatar hepa da shigarta, don ɗaukar matakan gyara.
Kewayon ganowa: yanki mai tsabta, benci na aikin laminar da tace hepa akan kayan aiki, da sauransu.
2. Hanyar gano leak:
Hanyar da aka fi amfani da ita ita ce hanyar DOP don gano ɗigon ruwa (wato, yin amfani da sauran ƙarfi na DOP azaman tushen ƙura da aiki tare da na'urar daukar hoto aerosol don gano ɗigon ruwa). Hakanan za'a iya amfani da hanyar bincikar ƙwayar ƙura don gano ɗigogi (wato, yin amfani da ƙurar yanayi azaman tushen ƙura da yin aiki tare da na'ura don gano leaks.
Duk da haka, tun da karatun lissafin barbashi karatu ne mai tarawa, ba shi da amfani don dubawa kuma saurin dubawa yana jinkirin; Bugu da kari, a gefen sama na matatar hepa a ƙarƙashin gwaji, ƙurar ƙurar yanayi sau da yawa ba ta da yawa, kuma ana buƙatar ƙarin hayaki don gano ɗigo cikin sauƙi. Ana amfani da hanyar juzu'i don gano ɗigogi. Hanyar DOP na iya daidaita waɗannan ƙarancin, don haka yanzu ana amfani da hanyar DOP don gano ɓarna.
3. Ƙa'idar aiki na gano hanyar DOP mai leken asiri:
Ana fitar da DOP aerosol azaman tushen ƙura a gefen sama na babban aikin tacewa da ake gwadawa (DOP shine dioctyl phthalate, nauyin kwayoyin 390.57, kuma barbashi suna da yanayi bayan fesa).
Ana amfani da aerosol photometer don yin samfur a gefen ƙasa. Samfurori na iska da aka tattara suna wucewa ta cikin ɗakin watsawa na photometer. Hasken da aka watsar da shi ta hanyar iskar gas mai ƙura da ke wucewa ta hanyar photometer an canza shi zuwa wutar lantarki ta hanyar tasirin hoto da haɓakar layi, kuma an nuna shi da sauri ta hanyar microammeter, za a iya auna ma'auni na dangi na aerosol. Abin da ainihin gwajin DOP ke auna shine ƙimar shigar matatar hepa.
DOP janareta na'ura ce da ke haifar da hayaki. Bayan an zuba sinadarin DOP a cikin kwandon janareta, ana haifar da hayaki na aerosol a ƙarƙashin wani yanayi na matsa lamba ko yanayin dumama kuma a aika zuwa gefen sama na matatar mai inganci (ana yin zafi da DOP ruwa don samar da tururi na DOP, kuma tururi ne. mai zafi a cikin wani takamaiman Condensate zuwa cikin ƙananan ɗigon ruwa a ƙarƙashin wasu yanayi, cire manyan ɗigon ruwa da yawa, barin kusan 0.3um barbashi, kuma DOP mai hazo ya shiga cikin iska. bututu);
Aerosol photometers (kayan don aunawa da kuma nuna aerosol taro ya kamata nuna ingancin lokaci na calibration, kuma za a iya amfani da kawai idan sun wuce calibration kuma suna cikin lokacin inganci);
4. Hanyar aiki na gwajin gano leak:
(1). Shirye-shiryen gano leak
Shirya kayan aikin da ake buƙata don gano ɗigon ruwa da tsarin ƙasa na bututun samar da iska na tsarin tsarkakewa da na'urar sanyaya iska a cikin yankin da za a bincika, da kuma sanar da kamfanin kayan aikin tsarkakewa da na'urar sanyaya iska don kasancewa a wurin a ranar da aka zubar. gano don aiwatar da ayyuka kamar shafan manne da maye gurbin matattarar hepa.
(2). Ayyukan gano zubo
①Duba ko matakin ruwa na DOP mai narkewa a cikin janareta na aerosol ya fi ƙarancin matakin, idan bai isa ba, yakamata a ƙara.
②Haɗa kwalbar nitrogen zuwa janareta na aerosol, kunna yanayin zafi na janareta na aerosol, sannan jira har sai hasken ja ya canza zuwa kore, wanda ke nufin zafin ya kai (kimanin 390 ~ 420 ℃).
③ Haɗa ƙarshen bututun gwajin zuwa tashar gwajin taro na sama na aerosol photometer, kuma sanya ɗayan ƙarshen a gefen shigar iska (gefen sama) na matatar hepa da ake gwadawa. Kunna maɓallin photometer kuma daidaita ƙimar gwajin zuwa "100".
④ Kunna ma'aunin nitrogen, sarrafa matsa lamba a 0.05 ~ 0.15Mpa, sannu a hankali buɗe bawul ɗin mai na janareta na aerosol, sarrafa ƙimar gwaji na photometer a 10 ~ 20, kuma shigar da ma'aunin ma'auni na sama bayan ƙimar gwajin ta daidaita. Yi aikin dubawa da dubawa na gaba.
⑤ Haɗa ƙarshen tiyon gwajin zuwa tashar gwajin taro na ƙasa na aerosol photometer, kuma yi amfani da ɗayan ƙarshen, shugaban samfurin, don bincika gefen fitar da iska na tacewa da madaidaicin. Nisa tsakanin shugaban samfurin da tacewa yana da kusan 3 zuwa 5 cm, tare da firam ɗin ciki na tace ana duba baya da baya, kuma saurin dubawa yana ƙasa da 5cm/s.
Wurin gwaji ya haɗa da kayan tacewa, haɗin da ke tsakanin kayan tacewa da firam ɗinsa, haɗin gasket na firam ɗin tacewa da firam ɗin tallafi na ƙungiyar tacewa, haɗin tsakanin firam ɗin tallafi da bango ko silin don dubawa. matsakaitan ƙananan ramuka masu tacewa da sauran lalacewa a cikin tacewa, hatimin firam, hatimin gasket, da zubewar firam ɗin tacewa.
Gano ɗigo na yau da kullun na matatun hepa a wurare masu tsabta sama da aji 10000 shine gabaɗaya sau ɗaya a shekara (na shekara-shekara a wuraren da ba su da lafiya); lokacin da akwai manyan abubuwan da ba su dace ba a cikin adadin ƙurar ƙura, ƙwayoyin cuta, da saurin iska a cikin sa ido na yau da kullun na wurare masu tsabta, ya kamata kuma a yi gano ɓarna.
Lokacin aikawa: Satumba-07-2023