Ƙimar aikace-aikacen da buƙatun fasaha na bawulolin tashar wutar lantarki (IV)

Ƙimar aikace-aikacen da buƙatun fasaha na bawulolin tashar wutar lantarki (IV)

Aikace-aikacen bawul ɗin lantarki, shine don rage ƙarfin aiki na ma'aikata kuma ya zama dole a cikin yanayin aiki mara kyau, bawul ɗin lantarki ya ƙunshi motar motsa jiki, akwatin gear da jiki, yawanci a cikin aiki akai-akai saboda dalilai kamar rawar jiki, zazzabi, rufewar tsufa sau da yawa mai daban-daban. matsalar yabo, yabo akwatin kaya mai tsanani gurbata muhalli ba kawai akwai wasu yuwuwar haɗarin aminci ba. Darussan haɗari na aminci da ke haifar da "gudu, gudu, ɗigowa da ɗigo" na kayan aiki kuma ana kula da su akai-akai a cikin aikin sarrafa kayan aiki. Akwatin jigilar man fetur, saboda tsarin kayan aiki, amfani da yanayi, ci gaba da aiki da sauran yanayi, a cikin al'ada tare da maye gurbin sassa, tare da maye gurbin matakan rufewa.
Dalilai da nazarin zubewar mai a cikin akwatin kayan bawul na lantarki
Aikace-aikacen bawul ɗin lantarki, shine don rage ƙarfin aiki na ma'aikata kuma ya zama dole a cikin yanayin aiki mara kyau, bawul ɗin lantarki ya ƙunshi motar motsa jiki, akwatin gear da jiki, yawanci a cikin aiki akai-akai saboda dalilai kamar rawar jiki, zazzabi, rufewar tsufa sau da yawa mai daban-daban. matsalar yabo, yabo akwatin kaya mai tsanani gurbata muhalli ba kawai akwai wasu yuwuwar haɗarin aminci ba. Darussan haɗari na aminci da ke haifar da "gudu, gudu, ɗigowa da ɗigo" na kayan aiki kuma ana kula da su akai-akai a cikin aikin sarrafa kayan aiki. Saboda ƙayyadaddun tsarin kayan aiki, yanayin aiki da ci gaba da yanayin aiki, zubar da man fetur na akwatin kaya yana da wuya a yi sauri da tasiri a cikin maganin gargajiya na maye gurbin sassa da rufewa.
Jimillar ƙarfin da aka girka na Huaneng Power Plant shine 2060MW, kuma an tanadi yanayin faɗaɗa raka'a 2 × 1000MW don kashi na uku. Nau'in na 2×350MW na aikin kashi na farko shi ne na'urar da kasar Sin da kasashen ketare suka kera tare. Babban zaɓi na kayan aiki yana ci gaba, tsari yana da ƙima, naúrar yana da babban tattalin arziki, kuma aikin kariya yana da kyau. Ita ce tashar samar da wutar lantarki ta zamani da ke da babban matakin sarrafa kansa a kasar Sin. Kashi na biyu na aikin shine 2 × 680MW na cikin gida supercritical coal-harba raka'a, lokaci guda gina na'urar kawar da bututun ruwan teku.
Shari'ar aikace-aikacen filin na kayan nanopolymer na Carbon don magance yabo na casa daga masana'antar Soley
Hanyar aiki a wurin shine kamar haka:
1, tsaftace sassan da ke zubar da mai, a yi goge a kusa da sassan da ke zubar, ta yadda zai nuna launi na farko na karfe, sassan bolt suma suna maganin saman;
2, tsaftacewa, buƙatun jiyya na ƙasa mai tsabta, bushe, m, m;
3. Haɗa kayan SD2240 don rufe ɓangarorin da ke zubarwa a cikin ƙaramin kewayon har sai babu ɗigowa;
4. Bayan an warke saman kayan, an sake rufe kayan da SD7111C. Ana warkewa da gyara kayan.
Ƙimar aikace-aikacen da buƙatun fasaha na bawul ɗin tashar wutar lantarki (iv) Matsakaicin zafin sabis na sassan da ke ɗaukar harsashi baya la'akari da rarrabuwar yanayin zafi na tukunyar jirgi yayin aiki na yau da kullun, kuma ƙimar karkacewar za ta kasance daidai da tanadin SDGJ6 -1990. Ya kamata a biya hankali ga graphitization na karfe kayan a karkashin wadannan yanayi: Chromium-aluminum karfe (har zuwa 0.6%) ana amfani da dogon lokaci sama kamar 525 ℃. The bawul jiki da bututu dangane weld ne filin weld, ta karshen tsagi an riga an sarrafa ta da bawul masana'antu sashen. Hanyar walƙiya ta ƙarshen tashar bawul ɗin jikin bawul yakamata ta zama walƙiyar baka ta hannu, waldawar hydrogen baka da walƙiya ta hannu ko wasu hanyoyin walda waɗanda suka cancanta ta hanyar kimanta tsari.
Haɗin kai: Ƙimar aikace-aikacen da buƙatun fasaha na bawuloli na tashar wutar lantarki (III)
Karin bayani c
(Kasuwanci na al'ada)
Matsakaicin zafin sabis na kayan ɗaukar harsashi
C.1 Lokacin zabar kayan don ɗaukar sassan harsashi, matsakaicin zafin sabis ba zai wuce abubuwan da ke cikin Teburin C.1 ba.
Tebura C.1 Matsakaicin zafin sabis na kayan ɗaukar harsashi
C.2 Matsakaicin zafin aiki na sassa masu ɗaukar harsashi ba ya la'akari da bambancin zafin jiki da aka yarda yayin aiki na yau da kullun na tukunyar jirgi, kuma ƙimar karkacewar za ta kasance daidai da tanadin SDGJ6-1990.
C.3 Ya kamata a lura da yiwuwar graphitization na ƙarfe kayan a cikin wadannan lokuta:
A) Carbon karfe da ake amfani da dogon lokaci sama game da 425 ℃.
B) Carbon aluminum karfe da ake amfani da dogon lokaci a game da 470 ℃.
C) Chromium-aluminum karfe (dauke da kasa da 0.6%) da ake amfani na dogon lokaci a game da 525 ℃.
C.4 Ya kamata a kula da yiwuwar peroxidation (oxidation na fata) a cikin waɗannan lokuta:
A) 1Cr-0.5Mo karfe, 1.25Cr-0.5Mo karfe, 2.25Cr-1Mo karfe da 3Cr-1Mo karfe sama 565 ℃;
B) 5Cr-0.5Mo karfe sama da 595 ℃.
Karin bayani D
(Ƙarin Bayani)
Hardfacing abu da taurin bawul sealing surface
Tebura D.1 yana ba da jagorori ga masu zanen kaya akan zaɓin kayan da ke sama da taurin sama don rufe saman bawul.
Tebur D.1 Hardfacing abu da hardfacing ɗakin karatu don bawul sealing surface
Karin bayani E
(Ƙarin Bayani)
Butt weld tsagi irin bawul jiki tashar karshen
E.1 Butt weld tsagi irin daban-daban bawuloli tare da butt bututu bango kauri δ20mm aka nuna a Figure E.1
E.2 butt weld tsagi na bawuloli tare da bututu bango kauri na 20mm ≤δ≤40mm aka nuna a cikin adadi e. 2
E.3 Butt weld tsagi irin daban-daban bawuloli tare da butt bututu bango kauri δ40mm aka nuna a Figure E.3
E.4 Ba a ba da ma'auni na D1, D2 da D3 a cikin Figure E1, Figure E.2 da Figure E.3 ba, wanda aka ƙaddara ta hanyar zane-zane. D1 daidai yake da ainihin girman diamita na bututun ciki, kuma D: ana iya ƙididdige shi daga wannan dabarar:
Nau'in:
Diamita na waje na bututun DW-1:
A - Za a ƙayyade ƙimar da aka ƙara ta mai zane tare da la'akari da Tebura E.1.
Tebura E.1 Ƙara darajar gindin tsagi mai girma D2
E.5 Lokacin da haɗin haɗin gwiwa tsakanin jikin bawul da bututu ya kasance filin weld, ƙarshen tsagi za a riga ya sarrafa shi ta sashen masana'antar bawul.
E.6 Hanyar walda na butt weld na ƙarshen tashar tashar bawul ɗin ya kamata ta ɗauki walda ta hannu, walƙiyar baka na hydrogen tare da walƙiyar hannun baka ko wata hanyar walƙiya ta cancanta ta hanyar kimanta tsari.
Lura 1: Lokacin Lo≥1.5δ, Za'a iya zazzage kusurwar a Lo = 1.5δ kamar yadda aka nuna a cikin gangaren 45°.
Note 2: The simintin karfe bawul jiki tsagi tare da maras muhimmanci diamita DN≥150mm zai zama L1 = 40mm domin radiographic dubawa, L1 = 12mm ga sauran lokuta.
FIG. E.1 nau'in tsagi mai siffar V
Lura 1: Lokacin Lo≥1.5δ, Za'a iya zazzage kusurwar a Lo = 1.5δ kamar yadda aka nuna a cikin gangaren 45°.
Note 2: The simintin karfe bawul jiki tsagi tare da maras muhimmanci diamita DN≥150mm zai zama L1 = 40mm domin radiographic dubawa, L1 = 12mm ga sauran lokuta.
FIG. E.2 nau'in tsagi mai siffar U-dimbin yawa
Hoto E.3 U(1) nau'in tsagi
Karin bayani F
(Ƙarin Bayani)
Ƙarfe mai suna
F.1 Table F.1 yana nuna abubuwan da ke cikin nau'ikan sunaye na ƙarfe a kan bawuloli na duniya, bawuloli masu duba, bawuloli na ƙofar, bawul ɗin maƙura da toshe bawuloli.
Table F.1 Ƙarfe sunaye don bawuloli na globe, duba bawuloli, bawuloli na ƙofa, bawul ɗin maƙura, bawul ɗin toshe, da sauransu.
F.2 Tebura F.2 yana nuna abun ciki na farantin sunan karfe na mai tsarawa
Teburin F.2 Ƙarfe na mai sarrafawa
F.3 Tebura F.3 yana nuna abun ciki na sabulun sunan bawul ɗin aminci
Teburin F.3 Ƙarfe mai suna na bawul ɗin aminci
F.4 Teburin F.4 yana nuna abun ciki na sunan karfe na matsi na rage bawul
Teburin F.4 Ƙarfe mai suna na matsi na rage bawul
F.5 Tebura F.5 yana nuna alamar sunan karfe na zafin jiki da matsa lamba mai rage bawul.
Teburin F.5 Ƙarfe mai suna na zafin jiki da matsa lamba mai rage bawul