Shandong Weichuan Metal Prodducts Co., Ltd.

Ukuthengiswa kwetyhubhu yebhoyila yoxinzelelo oluphezulu

Inkcazelo emfutshane:

Amazwe aphambili angenisa iityhubhu zebhoyila yiJapan kunye neJamani. Inkcazo yeemveliso ezithunyelwa rhoqo yi-15914.2mm; 2734.0mm; 219.110.0mm; 41975mm; 406.460mm, njl. Ubuncinci bokucaciswa yi-31.84.5mm, kwaye ubude ngokuqhelekileyo yi-5 ~ 8m.


Iinkcukacha zeMveliso

Iithegi zeMveliso

(1) Amazwe aphambili angenisa iityhubhu zebhoyila yiJapan kunye neJamani. Inkcazo yeemveliso ezithunyelwa rhoqo yi-15914.2mm; 2734.0mm; 219.110.0mm; 41975mm; 406.460mm, njl. Ubuncinci bokucaciswa yi-31.84.5mm, kwaye ubude ngokuqhelekileyo yi-5 ~ 8m.

(2) Kwimeko yebango lokungenisa, iityhubhu zebhoyila ezingenamthungo ze-ST45 ezithathwe kwiplanti yentsimbi yombhobho yentsimbi yaseMannesmann eJamani zifunyenwe zineziphene zangaphakathi ezidlula imimiselo yomatshini kunye nemigangatho ye-German iron and Steel Association.

High pressure boiler tube

(3) Imibhobho yensimbi ye-alloy engeniswe eJamani ikakhulu yi-34CrMo4 kunye ne-12CrMoV. Olu hlobo lombhobho wensimbi lunomgangatho ophezulu wokusebenza kakuhle kwaye luhlala lusetyenziswa njengombhobho wentsimbi kwibhoyila yobushushu obuphezulu.

(4) Kukho imibhobho yealloyi emininzi engeniswe eJapan, eneenkcukacha ezingama-426.012mm 5 ~ 8m; 152.48.0mm12m; 89.110.0mm6m; 101.610.0mm12m; 114.38.0mm6m; 127.08.0mm9m, njl. Ukuphumeza umgangatho woshishino waseJapan jisg3458, kunye nebakala lentsimbi yi-stpa25. Olu hlobo lombhobho wentsimbi ludla ngokusetyenziswa njengokuxhasa umbhobho we-superalloy.

Amanqanaba entsimbi asetyenziswayo

Umgangatho ophezulu we-carbon structural steel, kunye namabakala ensimbi angama-20g, 20mng kunye ne-25mng; I-alloy structural steel 15mog, umbhobho woxinzelelo oluphezulu.

20mog, 12crmog, 15CrMoG, 12CR2MOG, 12crmovg, 12Cr3MoVSiTiB, njl; Ukongeza ekuqinisekiseni ukwakheka kweekhemikhali kunye neempawu zoomatshini, i-1Cr18Ni9 kunye ne-1cr18ni11nb imibhobho yoxinzelelo oluphezulu edla ngokusetyenziswa kwintsimbi ekwaziyo ukumelana nobushushu iya kuba phantsi kovavanyo lwe-hydrostatic, ukuvutha kunye novavanyo lokuthambisa nganye nganye. Imibhobho yentsimbi iya kuhanjiswa kwimeko yokuphathwa bubushushu.

Ukongezelela, kukho iimfuno ezithile ze-microstructure, ubukhulu bengqolowa kunye ne-decarburization layer yombhobho wensimbi ogqityiweyo. Umbhobho wentsimbi ongenamthungo wokugrumba i-geological kunye nolawulo lokomba lwepetroleum; Ukuze kuphononongwe ubume bamatye angaphantsi komhlaba, amanzi aphantsi komhlaba, i-oyile, igesi yendalo kunye nemithombo yezimbiwa, izixhobo zokomba zisetyenziselwa ukugrumba amaqula.

Ukusetyenziswa kwe-oyile kunye negesi akunakuhlukaniswa nokugrumba. Umbhobho wentsimbi ongenamthungo wokulawula ukugrumba i-geological kunye nokugrumba i-oyile sesona sixhobo siphambili sokomba, ikakhulu kubandakanywa umbhobho wangaphandle ongundoqo, umbhobho ongaphakathi ongundoqo, i-casing, umbhobho wokubhobhoza, njl.

Njengoko umbhobho wokomba kufuneka usebenze kubunzulu bamawaka aliqela eemitha, iimeko zokusebenza zintsonkothe ​​kakhulu, umbhobho wokubhobhoza uthwele iziphumo zoxinzelelo lwengcinezelo, ukucinezelwa, ukugoba, ukugigitheka kunye nomthwalo wempembelelo engalungelelananga, kwaye unxitywa ludaka namatye. . Ngoko ke, umbhobho kufuneka ube namandla okwaneleyo, ukuqina, ukumelana nokunxiba kunye nokuqina kwempembelelo, Intsimbi yombhobho wensimbi imelwe yi "DZ" (i-Geological Chinese Pinyin prefix) kunye nenani lokumela inqaku lemveliso yentsimbi. Amanqanaba ensimbi asetyenziswa ngokuqhelekileyo yi-45mnb kunye ne-50Mn ye-dz45; 40Mn2 kunye ne-40mn2si ye-dz50; I-40mn2mo kunye ne-40mnvb ye-dz55; 40mnmob of DZ60 kunye 27mnmovb of dz65.

Imibhobho yentsimbi ihanjiswa kwimeko yokushisa.

Umbhobho oqhekezayo wePetroleum

Umbhobho ongenamthungo wombhobho wesithando somlilo, umbhobho wokutshintsha ubushushu kunye nombhobho wokucokisa i-petroleum. Ngokuqhelekileyo yenziwe nge-high-quality carbon steel (10, 20), i-alloy steel (12CrMo, 15CrMo), i-heat-resistant steel (12cr2mo, 15cr5mo) kunye nensimbi engenasici (1Cr18Ni9, 1Cr18Ni9Ti). Ukongeza kwimichiza kunye neempawu ezahlukeneyo zomatshini wombhobho wentsimbi, kuyafuneka ukuba kuqinisekiswe i-hydrostatic, flattening, flaring kunye nolunye uvavanyo, kunye nomgangatho womphezulu kunye novavanyo olungonakalisi. Imibhobho yentsimbi iya kuhanjiswa phantsi konyango lobushushu.

Umbhobho wensimbi engenasici

Zonke iintlobo zetsimbi yensimbi engenasici eshushu-eshushu kunye nebandayo eqengqelekayo isetyenziswa kakhulu kwipetroleum kunye nemibhobho yezixhobo zekhemikhali kunye neenxalenye zensimbi engenasici ngeenjongo ezahlukeneyo. Ukongeza ekuqinisekiseni ukubunjwa kweekhemikhali kunye neempawu zomatshini, yonke imibhobho yentsimbi esetyenziselwa ukuthwala uxinzelelo lwe-fluid iya kufaneleka kuvavanyo lwe-hydrostatic. Imibhobho yentsimbi ekhethekileyo eyahlukeneyo iya kuqinisekiswa ngokwemiqathango echaziweyo.

Uxinzelelo oluphezulu lwentsimbi yombhobho luhlobo lombhobho ongenamthungo. Indlela yokuvelisa iyafana neyombhobho ongenamthungo, kodwa kukho iimfuno ezingqongqo kwibakala lensimbi elisetyenziselwa ukwenziwa kombhobho wensimbi. Ngokutsho kobushushu benkonzo, yahlulwe ibe ityhubhu yebhoyila ngokubanzi kunye netyhubhu yebhoyila yoxinzelelo oluphezulu.

Ubushushu benkonzo ye-high-pressure seamless steel pipe ingaphantsi kwe-450 ℃, kwaye umbhobho wasekhaya wenziwa ikakhulu kwiNombolo ye-10 kunye neNombolo ye-20 ye-carbon steel hot-rolled pipe okanye umbhobho obandayo.

Uxinzelelo oluphezulu lombhobho wensimbi ongenamthungo uhlala kwiqondo lokushisa eliphezulu kunye neemeko zoxinzelelo oluphezulu. Umbhobho uya kuba ne-oxidized kunye ne-corrod 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.

Umbhobho wentsimbi ongenamthungo woxinzelelo oluphezulu usetyenziswa ikakhulu ukwenza umbhobho wodonga lwamanzi, umbhobho wamanzi abilayo, umbhobho womphunga oshushu kakhulu, umbhobho womphunga oshushu kakhulu webhoyila yenjini, umbhobho womsi omkhulu kunye omncinci kunye nombhobho wezitena we-arch.

Umbhobho wentsimbi ongenamthungo woxinzelelo oluphezulu usetyenziswa ikakhulu ukwenza umbhobho weheater, umbhobho wokufudumeza, umbhobho womoya, umbhobho oyintloko womphunga, njl.


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