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Payipu y’ekyuma ekitali kizimbulukuse eky’obuyonjo kye ki?

Views: 0     Omuwandiisi: Omuwandiisi w'omukutu Publish Time: 2022-03-15 Origin: Ekibanja

Buuza .

Payipu z’ekyuma ekitali kizimbulukuse (Staniry stainless steel pipes) zikozesebwa nnyo mu bintu bingi n’amakolero nga eddagala, vidiyo, bbiya, amazzi ag’okunywa, yinginiya w’ebiramu, yinginiya w’eddagala, okulongoosa empewo, amakolero ga nukiriya ag’ennyonyi n’okuzimba ebyenfuna by’eggwanga ebirala. Ebintu bingi ebiyingizibwa mu ggwanga buli mwaka.

1. Okwekenenya kungulu ku kyuma ekitali kizimbulukuse .

Enkola ya AES n’enkola ya SPS byombi bisobola okukozesebwa okwekenneenya kungulu w’ekyuma ekitali kizimbulukuse okuzuula obusobozi bw’okukulukuta kw’ebintu eby’omunda n’eby’ebweru eby’ekyuma ekitali kizimbulukuse. Dyaamu y’okwekenneenya efulumizibwa AES ntono nnyo, eyinza okuba wansi wa 20nm. Omulimu gwayo ogw’olubereberye kwe kuzuula elementi. Omuwendo gw’okwekenneenya ogw’enkola ya XPS guli nga 10μm, nga guno gusinga kukozesebwa okuzuula embeera y’eddagala lya elementi okumpi n’okungulu.

Okusika ekyuma ekirongooseddwa mu byuma ekya 316 ekyuma ekitali kizimbulukuse ekibadde kitunudde mu bbanga nga kiriko AES ne XPS detectors kiraga nti obuziba bw’okwekenneenya obusinga okumanyibwa obw’ekyuma ekitali kizimbulukuse ekya dayimanda kiri 15nm, era kiwa amawulire agakwata ku butonde n’obugumu bw’oluwuzi olutaliiko kye lukola. okuziyiza okukulukuta n’ebirala.

Okusinziira ku ntegeeza, ekyuma ekitali kizimbulukuse ekya austenitic kirimu chromium ne nickel omungi, ate ezimu zirimu molybdenum, titanium, n’ebirala, okutwalira awamu zirimu 10.5% oba okusingawo eza chromium era nga zirina okuziyiza okukulukuta okulungi. Obuziyiza bw’okukulukuta (corrosion resistance) buva ku bukuumi bw’oluwuzi lw’obutafa (passivation layer) omungi chromium. Olususu lw’okukola passivation lutera okuba nga luwanvu 3-5nm, oba nga lwenkana ne atomu 15 obuwanvu. Olususu lw’okukola (passivation layer) lukolebwa mu kiseera ky’enkola y’okukola (oxidation-reduction reaction process) nga chromium ne iron bifuuka oxidized. Singa passivation layer eyonoonebwa, passivation layer empya ejja kukolebwa mangu era electrochemical corrosion ejja kubaawo amangu ddala, era deep spots of stainless steel zijja kulabika. okukulukuta n’okukulukuta kw’ebitundutundu. Obuziyiza bw’okukulukuta obutakola (passivation corrosion resistance) bukwatagana n’ebirimu ebitundu by’eddagala ebibeera mu kyuma ekitali kizimbulukuse, nga chromium, nickel ne molybdenum, n’ebirala bisobola okwongera ku maanyi g’amasoboza ag’okusiba aga passivation layer, n’okutumbula okuziyiza okukulukuta kw’oluwuzi lw’okukola passivation; era okikozese n’oludda olw’omunda olwa payipu y’ekyuma ekitali kizimbulukuse. Ekintu ekiyitibwa fluid medium kikwatagana.

2. Okukulukuta kw’ekyuma ekitali kizimbulukuse ku ngulu .

(1) Oluwuzi lw’okukola passivation ku ngulu w’ekyuma ekitali kizimbulukuse kyangu okusaanawo mu kifo ekirimu CI, kubanga obusobozi bwa CI-oxidation buba bunene nnyo. Singa passivation layer ebeera ku kyuma kyokka, layer ekubibwa ejja kweyongera okuvunda. Emirundi mingi, layeri y’obutafaali (passivation layer) eyonoonebwa mu kitundu ky’ekitundu ky’ekyuma kyokka. Enkola y’okukulukuta kwe kukola ebituli ebitono oba ebinnya. Ebinnya ebitono ebigabanyizibwa mu ngeri ey’ekifuulannenge ku ngulu w’ekintu biyitibwa okukulukuta. Ekipimo ky’okukulukuta (pitting corrosion rate) kyeyongera nga ebbugumu lyeyongera ate ne lyeyongera nga bwe yeeyongera obungi. Ekizibu kino kwe kukozesa ekyuma ekitali kizimbulukuse ekiyitibwa ultra-low oba low-carbon stainless steel (nga 316L oba 304L)


(2) Passive warp layer ku ngulu w’ekyuma ekitali kizimbulukuse austenitic kyangu okusaanawo mu kiseera ky’okukola n’okuweta. Ebbugumu ly’okubuguma n’embiro z’ebbugumu bwe biba mu kukola n’okuweta mu kitundu ky’ebbugumu ery’ekyuma ekitali kizimbulukuse (nga 425-815°C), kaboni atabuddwa mu kintu ajja kusooka kutonnya ku nsalosalo y’empeke era agatta ne chromium okukola chromium carbide ne kifiirwa chromium. N’ekyavaamu, ekirungo kya chromium ekiri mu nsalosalo y’empeke kikendeera buli kiseera n’okutonnya okutambula obutasalako okwa chromium carbide, ne kikola ekitundu ekiyitibwa chromium-depleted zone, ekinafuya amaanyi agasobola era ne kikendeeza ku buziyiza bw’okukulukuta kw’oluwuzi lw’obutakola. Bwe kikwatagana n’emikutu gy’okuvunda nga CI- mu medium, kijja kuleeta micro-current corrosion. Wadde ng’okukulukuta kuli ku ngulu w’empeke zokka, kuyingira mangu munda ne kukola okukulukuta okw’omu bitundu eby’enjawulo. Naddala payipu y’ekyuma ekitali kizimbulukuse yeeyoleka nnyo mu kitundu ky’okulongoosa welding.

(3) Enjatika z’okukulukuta kw’okunyigirizibwa: Ye nkola y’okugatta situleesi ey’obutakyukakyuka n’okukulukuta ekivaako enjatika n’okunyiga ebyuma. Embeera y’okukutuka mu situleesi etera okuba enzibu ennyo. Si situleesi y’okusika yokka, wabula okugatta situleesi eno n’okunyigirizibwa okusigadde mu kyuma olw’okukola, okuweta, oba okulongoosa ebbugumu.


3. Enkola y’okufulumya payipu y’ekyuma ekitali kizimbulukuse ekoleddwa mu buyonjo .

Uncoiling-Deburring-forming-welding (Gas protection box)-Ekifo eky’omunda eky’okusala emisono okuyonja-okuyonja payipu-okusala obulungi-okusala-okusala obunene

Kirungi okukozesa precision ekyuma ekitali kizimbulukuse eky’obuyonjo amazzi payipu production line of . Hangao Tech (Ebyuma bya Seko) . Okuva omuguwa gw’ekyuma bwe gukozesebwa butereevu okukola welding oluvannyuma lw’okukola, okugumiikiriza n’obuwanvu bwa payipu bisobola okufugibwa obulungi, era enkola y’okukuba ebifaananyi ennyogovu esobola okulekebwawo.


Waliwo ebyuma ebikulu ebiwerako mu kukola:

(1) . Ebyuma ebitereeza eby’omunda : Kiyinza okunyigirizibwa enfunda n’enfunda okudda n’okudda okuyita mu roller ne mandrel ezimbiddwamu okufunza obuwanvu obusigaddewo obw’omusono gw’okuweta, olwo omusono gwa welding n’ekintu ekikulu ne bibeera nga bikwatagana nnyo era nga bikyukakyuka mu butonde, ekifuula ekisenge eky’omunda okubeera ekigonvu n’okukendeeza ku bisigalira bya payipu munda. Mu kiseera ky’okusiimuula munda n’okusiimuula ebweru, esobola n’okukendeeza ku muwendo n’amaanyi g’okusiimuula n’okukendeeza ku kufiirwa.

(2) Omukka ogw’obukuumi ogutangalijja (protective gas bright annealing furnace): gulimu ebitundu bibiri, omubiri gw’ekikoomi ekitangalijja n’ekikooti ky’amazzi ekinyogoza.

Omubiri gw’ekikoomi ogutangalijja: Enzimba enkulu ye kitundu ekyekulungirivu . Induction heating furnace , eyeettanira enkola y’okufumbisa ey’okufumbisa kooyilo ezifumbisa, ekitundu kya payipu kyonna kisobole okubuguma mu njuyi zonna. Omukka ogw’obukuumi tegukoma ku kukola ng’ekiziyiza empewo, wabula era gukola ng’empewo etonnya etambula. Enzimba entono, okukola obulungi, okufuga okwesigika n’okuddaabiriza obulungi. Enjawulo y’ebbugumu mu kyokero efugibwa mu ±1-2°C.

Abakola ebyuma basobola okusalawo okukozesa ebyuma ebivunda ammonia okukola omukka ogw’obukuumi oba okukozesa butereevu ggaasi ow’omu bipipa okusinziira ku mbeera entuufu.

Mwaniriziddwa okutubuuza!

Iris Liang .

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Buli ttanka y’okumaliriza lw’eyiringisibwa, erina okuyita mu nkola y’okulongoosa eddagala. TA Okukakasa nti omulimu gwa payipu y’ekyuma gutuukiriza ebisaanyizo eby’ekikugu. n’okuwa omusingo gw’okukola oba okukozesa oluvannyuma lw’enkola. Bright solution treatment process of ultra-long seamless steel pipe bulijjo ebadde kizibu mu mulimu guno.

Ebyuma by’ekikoomi eby’amasannyalaze eby’ennono binene,ebibikka ekitundu ekinene, bikozesa amaanyi mangi n’okukozesa omukka omunene, n’olwekyo kizibu okutegeera enkola ya solution eyakaayakana. Oluvannyuma lw’emyaka mingi nga bakola nnyo n’okukulaakulana mu ngeri ey’obuyiiya, okukozesa tekinologiya ow’omulembe ow’okufumbisa ow’omulembe n’amasannyalaze ga DSP. Okufuga obulungi ebbugumu ly’ebbugumu okukakasa nti ebbugumu lifugibwa munda mu T2C,okugonjoola ekizibu ky’eby’ekikugu eky’okufuga ebbugumu ly’okufumbisa okutali kutuufu okutali kutuufu. Payipu y'ekyuma ekibuguma enyogozeddwa 'heat conduction'mu tunnel ey'enjawulo eggaddwa nga eggaddwa, ekendeeza nnyo ku ggaasi ekozesebwa era nga esinga kukwata ku butonde bw'ensi.
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