Shandong Weichuan Metal Prodducts Co., Ltd.

S355j0h intsimbi engenamthungo yokuqinisekisa umgangatho wombhobho

Inkcazelo emfutshane:

Imigangatho yentsimbi eqhelekileyo yaseYurophu imibhobho yentsimbi engenamthungo yiP195, p235, p265, p195gh, p235gh, P265GH, 13crmo4-5 kunye ne-10crmo9-10.


Iinkcukacha zeMveliso

Iithegi zeMveliso

Ipenstock yentsimbi engenamthungo: umgangatho waseYurophu

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

Umbhobho wentsimbi ongenamthungo womthwalo woxinzelelo

Umgangatho waseYurophu: en10216-2 iinkcukacha: φ 10.2~ φ 168.2 * 1.6mm~20.0mm

Umbhobho wentsimbi woxinzelelo oluphezulu uneempawu ezilungileyo ezibanzi zoomatshini kwindawo yobushushu begumbi kunye nobushushu obuphezulu kunye nolawulo olungqongqo lwekhwalithi. Ifanelekile kwiimeko ezahlukeneyo zokusebenza phantsi koxinzelelo oluphezulu. Imibhobho yentsimbi yoxinzelelo oluphezulu isetyenziswa kakhulu kwimimandla yeebhoyili, imibhobho yeoli yoxinzelelo oluphezulu lweenjini zedizili, izixhobo zesichumisi sekhemikhali kunye nemibhobho.

Iimfuno zokufakelwa kwemibhobho yoxinzelelo oluphezulu zifana nezo zokufakelwa kwemibhobho ephakathi kunye nephantsi, kodwa iimfuno ziphezulu kwaye imimiselo inzima. Ngoko ke, ngaphezu kokuhlangabezana neemfuno zofakelo lwemibhobho ephakathi kunye nephantsi, ezi mfuno zilandelayo ziya kulandelwa.

Amacandelo ombhobho woxinzelelo oluphezulu, izixhobo zokufakelwa kombhobho, i-fasteners kunye neevalve ezisetyenziselwa ukufakela kufuneka zigqithise ukuhlolwa kwaye zifakwe kunye namaxwebhu axhasayo ahambelanayo. Emva kokuba zihanjiswe kwindawo, ziya kugcinwa ngokufanelekileyo, ziphawulwe kwaye zibekwe ngokucocekileyo. Phambi kofakelo, umphezulu wangaphakathi nangaphandle uya kucinywa, kwaye umjelo wangaphakathi uya kukhangelwa imiba yangaphandle kunye nokuguda. Jonga ukuba uburhabaxa bomphezulu wokutywina we-nozzle kunye ne-gasket iyahlangabezana neemfuno. Akusayi kubakho mikrwelo (ingakumbi imikrwelo ye-radial), amabala kunye nezinye iziphene ezichaphazela ukusebenza kokutywinwa kumphezulu wokutywina. Ngaphandle kwemibhobho eneemfuno zokuthoba, indawo yokuvala umlomo kunye negasket iya kugqunywa nge-oyile ye-injini okanye ibhotolo okanye ivaseline emhlophe yokukhusela. Inxalenye ephothiweyo yesiphelo sombhobho wombhobho ofanelekileyo woxinzelelo oluphezulu iya kugqunywa ngegrisi ye-molybdenum disulfide okanye i-oyile ye-graphite injini yokukhusela, ngaphandle kwemibhobho eyohliweyo njengoko ichaziwe.

Ngethuba lokufakela umbhobho, umbhobho osemthethweni uya kusetyenziselwa ukulungiswa, kwaye i-casing yokukhusela iya kufakwa kwi-pipe rack edibeneyo kunye nemibhobho yoxinzelelo oluphezulu kunye nokufakelwa ngokweemfuno zokuyila. Xa ufaka i-flange yoxinzelelo oluphezulu, i-chamfer yentambo yokuphela kombhobho iya kubonakaliswa. Xa ufaka i-gasket yokutywina, musa ukuyixhoma ngocingo lwetsimbi. Igrisi iya kufakwa kwi-orifice yombhobho kunye ne-gasket kwangaphambili, kwaye i-gasket yesinyithi ethambileyo yoxinzelelo oluphezulu iya kufakwa ngokuchanekileyo kwisitulo sokutywina. Iibholithi zeflange ziya kuqiniswa ngokulinganayo kwaye ngokulinganayo ngaphandle kokugqithisa. Emva kokuba iibholiti ziqiniswe, iiflange ezimbini ziya kuhambelana kwaye zigxininise. Imisonto evezwe ngaphandle kwamandongomane iya kuba yi-2 ~ 3 imisonto, ubuncinci imisonto emi-2, kwaye ubude obuveziweyo bebholiti nganye buya kufana ngokwesiseko. Ngexesha lofakelo, akuvumelekanga ukuhlawulela iimpazamo zokuvelisa okanye zokufakela ngokutsalwa okuqinileyo, ukutyhala, ukuguqula okanye ukuguqula ubukhulu be-gasket yokutywina. Ukuba ukufakwa kombhobho akukwazi ukuqhutyelwa kwaye kugqitywe ngokuqhubekayo, i-orifice yombhobho evulekile iya kuvalwa ngexesha. Iinxalenye zenxalenye yesampulu yesixhobo kumbhobho ziya kufakwa ngexesha elifanayo nombhobho.

Ityhubhu yebhoyila yoxinzelelo oluphezulu luhlobo lwetyhubhu yebhoyila, eyinxalenye yetyhubhu yentsimbi engenamthungo. Indlela yokuvelisa iyafana neyombhobho ongenamthungo, kodwa kukho iimfuno ezingqongqo kwibakala lensimbi elisetyenziselwa ukwenziwa kombhobho wensimbi. Iityhubhu zebhoyila ezinoxinzelelo oluphezulu zihlala zikwiqondo lobushushu obuphezulu kunye neemeko zoxinzelelo oluphezulu. Imibhobho iya kuba yi-oxidized kwaye i-corrode phantsi kwesenzo segesi ephezulu ye-flue flue kunye ne-steam. Umbhobho wensimbi kufuneka ube namandla aphezulu, i-anti-oxidation ephezulu kunye nokusebenza kwe-corrosion kunye nokuzinza okulungileyo kwesakhiwo. Iityhubhu zebhoyila ezinoxinzelelo oluphezulu zisetyenziswa ikakhulu ukwenza iityhubhu zokufudumeza, iityhubhu zokufudumeza, iityhubhu zomoya, iityhubhu eziphambili zomphunga, njl.

Ityhubhu yebhoyila yoxinzelelo oluphezulu luhlobo lwetyhubhu yebhoyila, eyinxalenye yetyhubhu yentsimbi engenamthungo. Indlela yokuvelisa iyafana naleyo yetyhubhu yebhoyila engenamthungo, kodwa kukho iimfuno ezingqongqo kumabakala entsimbi asetyenziselwa ukwenziwa kweetyhubhu zetsimbi. Iityhubhu zebhoyila ezinoxinzelelo oluphezulu zihlala zikwiqondo lobushushu obuphezulu kunye neemeko zoxinzelelo oluphezulu. Iityhubhu zebhoyila ezinoxinzelelo oluphezulu zisetyenziswa ikakhulu ukwenza iityhubhu zokufudumeza, iityhubhu zokufudumeza, iityhubhu zomoya, iityhubhu eziphambili zomphunga, njl.

Ngenxa yomsebenzi wexesha elide phantsi kobushushu obuphezulu kunye noxinzelelo oluphezulu, izinto ze-boiler tube ziya kukhwela, zinciphise iplastiki kunye nokuqina, zitshintshe isakhiwo sokuqala kwaye zivelise i-corrosion. Umbhobho wentsimbi kwibhoyila uya kuba: (1) amandla aneleyo ahlala ixesha elide; (2) Umthamo owaneleyo wokuguqula iplastiki; (3) Ubuncinci ukuthambekela kokuguga kunye ne-thermal brittleness; (4) Ukumelana ne-oxidation ephezulu, ukumelana nothuthu lwamalahle, ukubola kwegesi yendalo phantsi kobushushu obuphezulu, ukuxhathisa umphunga kunye noxinzelelo lwe-corrosion; (5) Uzinzo oluhle lwesakhiwo kunye neempawu zenkqubo ezilungileyo. Iindidi zetsimbi zeetyhubhu zebhoyila ezinoxinzelelo oluphezulu zibandakanya i-carbon steel, i-pearlite, i-ferrite kunye ne-austenite insimbi engenasici. Ukuze kuphuculwe ukusebenza kakuhle kwe-thermal yeeyunithi zamandla obushushu kunye nokunciphisa ukusetyenziswa kwamafutha, amazwe kwihlabathi liphela agxile kuphuhliso lomthamo omkhulu kunye neparamitha ephezulu (ubushushu obuphezulu kunye noxinzelelo oluphezulu) iiyunithi zamandla obushushu (ngaphezu kwe-1000MW). Uxinzelelo lomphunga lonyuka ukuya kwi-31.5 ~ 34.3mpa, iqondo lobushushu elishushu kakhulu lifikelela kuma-595 ~ 650 ℃, kwaye liphuhla ukuya kuxinzelelo oluphezulu loxinzelelo oluphezulu, olubeka phambili iimfuno eziphezulu zoxinzelelo oluphezulu lwebhoyibhu. Ke ngoko, amabakala amatsha entsimbi aphuhlisiwe ukuze ahlangabezane neemfuno ze-boilers ze-parameter ephezulu.


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