Ta yaya ake daidaita saurin farawa na tukunyar jirgi?Me ya sa matsa lamba ƙara gudun ba zai iya sauri da yawa?
Matsakaicin haɓaka saurin haɓakawa a matakin farko na farawa na tukunyar jirgi kuma yayin duk aikin farawa yakamata ya kasance a hankali, ko da, kuma ana sarrafa shi sosai a cikin kewayon ƙayyadaddun.Don tsarin farawa na babban matsin lamba da matsananciyar matsananciyar tururi mai zafi, ana sarrafa saurin haɓakar matsa lamba don zama 0.02 ~ 0.03 MPa / min;don raka'a 300MW na cikin gida da aka shigo da shi, saurin karuwar matsa lamba bai kamata ya wuce 0.07MPa/min kafin haɗin grid ba, kuma kada ya fi 0.07 MPa/min bayan haɗin grid.0.13MPa/min.
A farkon mataki na haɓakawa, saboda kawai ƴan konewa ana saka su cikin aiki, konewar ba ta da ƙarfi, wutar tanderun ba ta cika da kyau ba, kuma dumama dumama dumama ba ta da kyau;a daya bangaren kuma, saboda yanayin zafi na saman dumama da bangon tanderun ba su da yawa, don haka, a cikin zafin da man fetur ke fitarwa, babu wani zafi mai yawa da ake amfani da shi wajen tursasa ruwan tanderun.Ƙarƙashin matsa lamba, mafi girma latent zafi na vaporization, don haka babu wani yawa tururi da aka haifar a kan evaporation surface.Ba a kafa sake zagayowar ruwa akai-akai, kuma ba za a iya haɓaka dumama daga ciki ba.Ana yin zafi sosai a saman.Ta wannan hanyar, yana da sauƙi don haifar da damuwa mai girma a cikin kayan aikin evaporation, musamman ma tururi.Sabili da haka, yawan zafin jiki ya kamata ya kasance a hankali a farkon karuwar matsa lamba.
Bugu da ƙari, bisa ga canji tsakanin yawan zafin jiki da matsa lamba na ruwa da tururi, ana iya ganin cewa mafi girma da matsa lamba, ƙananan ƙimar yanayin zafin jiki yana canzawa tare da matsa lamba;ƙananan matsa lamba, mafi girma darajar yanayin zafin jiki yana canzawa tare da matsa lamba, don haka haifar da bambancin yanayin zafi mai tsanani zafi zai faru.Don haka don kauce wa wannan yanayin, tsawon lokacin haɓaka ya kamata ya fi tsayi.
A cikin mataki na gaba na karuwar matsin lamba, kodayake bambancin zafin jiki tsakanin bangon babba da ƙananan ganuwar ganuwar da bangon ciki da na waje ya ragu sosai, saurin haɓakar matsa lamba na iya zama da sauri fiye da wancan a cikin ƙaramin matsin lamba, amma injin injin. damuwa da ke haifar da karuwa a matsa lamba na aiki ya fi girma, don haka matsa lamba a cikin mataki na gaba Ƙarƙashin haɓaka bai kamata ya wuce gudun da aka ƙayyade a cikin ƙa'idodi ba.
Ana iya gani daga abubuwan da ke sama cewa yayin aikin haɓaka matsi na tukunyar jirgi, idan matsi na haɓaka saurin ya yi sauri, zai yi tasiri ga amincin gandun tururi da nau'ikan abubuwa daban-daban, don haka saurin haɓakar matsin lamba ba zai iya yin sauri da sauri ba.
Wadanne batutuwa ya kamata a kula da su lokacin da naúrar ta fara zafi da matsawa?
(1) Bayan da tukunyar jirgi ya kunna, ya kamata a karfafa hurawa na iska preheater.
(2) Tsananin sarrafa hawan zafin jiki da saurin hawan matsa lamba bisa ga juzu'in farawa na naúrar, da lura da bambancin zafin jiki tsakanin manyan ganguna na sama da na ƙasa da bangon ciki da waje don kada ya wuce 40 ° C.
(3) Idan mai reheater ya bushe, dole ne a sarrafa zafin zafin hayakin tanderun don kada ya wuce madaidaicin zafin bangon bututu, kuma dole ne a sa ido sosai kan bangon bututu mai zafi da reheater don hana zafi.
(4) Kula da matakin ruwan ganga a hankali kuma buɗe bawul ɗin recirculation na economizer lokacin da aka dakatar da samar da ruwa.
(5) Kula da ingancin abubuwan sha na soda.
(6) Rufe ƙofar iska da magudanar ruwa na tsarin tururi akan lokaci.
(7) Kula da wutar tanderu akai-akai da shigar da bindigar mai, ƙarfafa kiyayewa da daidaitawa da bindigar mai, da kula da atomization da konewa.
(8) Bayan da injin tururi ya juye, kiyaye zafin tururi a matakin zafi sama da 50°C.Bambancin zafin jiki tsakanin ɓangarori biyu na tururi mai zafi da sake zazzafar tururi bai kamata ya wuce 20 ° C ba.Yi amfani da ruwan zafi mai zafi a hankali don hana manyan haɗe-haɗe a cikin zafin tururi.
(9) Duba akai-akai da yin rikodin umarnin faɗaɗa kowane sashe don hana cikas.
(10) Lokacin da aka sami rashin daidaituwa a cikin kayan aiki wanda ke shafar aikin al'ada kai tsaye, ya kamata a ba da rahoton ƙimar, a dakatar da karuwar matsa lamba, kuma a ci gaba da karuwa bayan an kawar da lahani.
Lokacin aikawa: Nuwamba-29-2023
