Inkampani Shandong Weichuan Metal Prodducts Co., Ltd.

I-S355j0h isiqinisekiso sekhwalithi yepayipi lensimbi engenamthungo

Incazelo emfushane:

Izigaba zensimbi ezivamile zamapayipi ensimbi angenamthungo aseYurophu yi-P195, p235, p265, p195gh, p235gh, P265GH, 13crmo4-5 kanye ne-10crmo9-10.


Imininingwane Yomkhiqizo

Omaka bomkhiqizo

I-Penstock yensimbi engenamthungo: Izinga laseYurophu

Ukucaciswa kwe-en10216-1: φ 10.2~ φ 356*1.6mm~20.0mm

Ipayipi lensimbi elingenamthungo lomthwalo wengcindezi

Izinga laseYurophu: ukucaciswa kwe-en10216-2: φ 10.2~ φ 168.2*1.6mm~20.0mm

Ipayipi lensimbi elinomfutho ophakeme linezici ezinhle eziphelele zemishini ekamelweni lokushisa kanye nezinga lokushisa eliphezulu kanye nokulawulwa kwekhwalithi okuqinile. Ifanele izikhathi ezihlukahlukene zokusebenza ngaphansi kwengcindezi ephezulu. Amapayipi ensimbi anomfutho ophakeme asetshenziswa kakhulu emkhakheni wamaboilers, amapayipi kawoyela anomfutho ophezulu wezinjini zikadizili, imishini kamanyolo wamakhemikhali namapayipi.

Izidingo zokufakwa kwamapayipi anengcindezi ephezulu zifana nalezo zokufakwa kwamapayipi aphakathi nendawo naphansi, kodwa izidingo ziphakeme futhi imithethonqubo iqinile. Ngakho-ke, ngaphezu kokuhlangabezana nezidingo zokufakwa kwamapayipi aphakathi nendawo naphansi, lezi zidingo ezilandelayo zizolandelwa.

Izingxenye zamapayipi anomfutho ophezulu, izifakelo zamapayipi, izinsimbi nama-valve asetshenziselwa ukufakwa kumele kudlule ukuhlolwa futhi kuhlanganiswe nemibhalo ehambisanayo esekela ubuchwepheshe. Ngemuva kokuthi zihanjiswe endaweni, zizogcinwa kahle, zimakwe futhi zibekwe ngobunono. Ngaphambi kokufakwa, izindawo zangaphakathi nezingaphandle zizosulwa zihlanzeke, futhi umgudu wangaphakathi uzobhekwa ukuthi awunazo yini izindaba zangaphandle kanye nokushelela. Hlola ukuthi ubumahhadlahhadla bendawo yokuvala umlomo wombhobho kanye ne-gasket iyahlangabezana yini nezidingo. Akumele kube khona imihuzuko (ikakhulukazi imihuzuko yama-radial), amabala nokunye ukonakala okuthinta ukusebenza kokuvala endaweni yokuvala. Ngaphandle kwamapayipi anezidingo zokwehlisa amafutha, indawo yokuvala umlomo wombhobho kanye ne-gasket kufanele igcotshwe ngamafutha enjini noma ibhotela noma uvaseline omhlophe ukuze uvikeleke. Ingxenye enentambo yokuphela kwepayipi yepayipi elifaneleka kakhulu lokucindezela kufanele igcotshwe ngamafutha e-molybdenum disulfide noma uwoyela wenjini yegraphite ukuze ivikeleke, ngaphandle kwamapayipi ancishisiwe njengoba kucacisiwe.

Ngesikhathi sokufakwa kwamapayipi, indawo yokubeka ipayipi ehlelekile izosetshenziselwa ukulungiswa, futhi i-casing yokuzivikela izofakwa endaweni yokubeka ipayipi ngokuthintana namapayipi okucindezela okuphezulu kanye nokufakwa ngokuvumelana nezidingo zokuklama. Lapho ufaka i-flange yokucindezela okuphezulu, i-chamfer yentambo yokuphela kwepayipi izodalulwa. Lapho ufaka i-gasket yokuvala, ungayilengi ngocingo lwensimbi. Ugrisi uzofakwa embotsheni yepayipi kanye ne-gasket kusengaphambili, futhi i-gasket yensimbi ethambile enomfutho ophezulu izofakwa ngokunembile esihlalweni sokuvala. Amabhawodi e-flange kufanele aqiniswe ngokulinganayo nangokulinganayo ngaphandle kokweqisa. Ngemuva kokuthi ama-bolts eqinisiwe, ama-flange amabili azobe ehambisana futhi agxile. Imicu eveziwe ngaphandle kwamantongomane izoba yizintambo ezingu-2 ~ 3, okungenani imicu emi-2, futhi ubude obuveziwe bebhawodi ngalinye buzofana ngokuyisisekelo. Ngesikhathi sokufakwa, akuvunyelwe ukunxephezela amaphutha okukhiqiza noma okufaka ngokudonsa okuqinile, ukusunduza, ukusonta noma ukuguqula ubukhulu be-gasket yokuvala. Uma ukufakwa kwepayipi kungenakukwazi ukwenziwa futhi kuqedwe ngokuqhubekayo, i-orifice yepayipi evulekile izovalwa ngesikhathi. Izingxenye zengxenye yesampula yethuluzi epayipini zizofakwa ngesikhathi esifanayo nepayipi.

Ishubhu lebhayela elinomfutho ophezulu liwuhlobo lweshubhu lokubhayela, eliyingxenye yeshubhu lensimbi engenamthungo. Indlela yokukhiqiza iyafana neyepayipi elingenamthungo, kodwa kunezidingo eziqinile zebanga lensimbi elisetshenziswa ekwenzeni ipayipi lensimbi. Amashubhu kabhayela anomfutho ophakeme avame ukuba sezingeni lokushisa eliphezulu nezimo zokucindezela okukhulu. Amashubhu azofakwa i-oxidized futhi agqwale ngaphansi kwesenzo sokushisa okuphezulu kwegesi ye-flue kanye nesitimu. Ipayipi lensimbi liyadingeka ukuze libe namandla ahlala njalo, i-anti-oxidation ephezulu nokusebenza kokugqwala kanye nokuzinza okuhle kwesakhiwo. Amashubhu kabhayela anomfutho ophakeme asetshenziswa ngokuyinhloko ukwenza amashubhu okushisa aphezulu, amashubhu okushisa kabusha, amapayipi omoya, amashubhu amakhulu esitimu, njll. amabhoyili anengcindezi ephezulu kanye nawomfutho ophezulu wegazi.

Ishubhu lebhayela elinomfutho ophezulu liwuhlobo lweshubhu lokubhayela, eliyingxenye yeshubhu lensimbi engenamthungo. Indlela yokukhiqiza iyafana neyamashubhu kabhayela wengcindezi ephezulu angenamthungo, kodwa kunezidingo eziqinile zamabanga ensimbi asetshenziswa ekwenzeni amashubhu ensimbi. Amashubhu kabhayela anomfutho ophakeme avame ukuba sezingeni lokushisa eliphezulu nezimo zokucindezela okukhulu. Amashubhu kabhayela anomfutho ophakeme asetshenziswa ngokuyinhloko ukwenza amashubhu okushisa aphezulu, amashubhu okushisa kabusha, amapayipi omoya, amashubhu amakhulu esitimu, njll. amabhoyili anengcindezi ephezulu kanye nawomfutho ophezulu wegazi.

Ngenxa yomsebenzi wesikhathi eside ngaphansi kokushisa okuphezulu nokucindezela okuphezulu, impahla ye-boiler tube izokhasa, inciphise ipulasitiki kanye nokuqina, iguqule isakhiwo sokuqala futhi ikhiqize ukugqwala. Ipayipi lensimbi likabhayela lizoba nalokhu: (1) amandla anele ahlala njalo; (2) Umthamo owanele wokuguqulwa kwepulasitiki; (3) Ukuthambekela kokuguga okuncane kanye nokushisa okushisayo; (4) Ukumelana ne-oxidation ephezulu, ukumelana nomlotha wamalahle, ukugqwala kwegesi yemvelo ngaphansi kwezinga lokushisa eliphezulu, ukumelana nokugqwala kwe-steam nokucindezeleka; (5) Ukuzinza okuhle kwesakhiwo kanye nezakhiwo ezinhle zenqubo. Izinhlobo zensimbi zamashubhu kabhayela womfutho ophezulu zifaka i-carbon steel, i-pearlite, i-ferrite nensimbi engagqwali ye-austenite engashisi. Ukuze kuthuthukiswe ukusebenza kahle okushisayo kwamayunithi amandla ashisayo futhi kuncishiswe ukusetshenziswa kukaphethiloli, amazwe emhlabeni wonke agxila ekuthuthukisweni komthamo omkhulu kanye nepharamitha ephezulu (izinga lokushisa eliphezulu nomfutho ophakeme) amayunithi amandla ashisayo (ngaphezu kuka-1000MW). Umfutho we-steam ukhuphuka ufike ku-31.5 ~ 34.3mpa, izinga lokushisa lomusi oshisa kakhulu lifinyelela ku-595 ~ 650 ℃, futhi lithuthukela kumfutho obucayi ophakeme kakhulu, obeka phambili izidingo eziphakeme zamashubhu kabhayela wengcindezi ephezulu. Ngakho-ke, amamaki amasha ensimbi athuthukisiwe ukuze ahlangabezane nezidingo zama-boilers wepharamitha aphezulu.


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