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Vim li cas Siv PP Kav li Cov Kav Dej Hauv Tsev

May 23, 2020

Vim li cas siv PP kav dej li kav dej kav dej hauv tsev

PPR yeeb nkabyog ib yam tshiab ntawm cov yeeb nkab nrog kev zoo corrosion thiab siab tsis kam, thiab qhov loj ntawm cov yeeb nkab pp no ​​yog kev nyab xeeb thiab kev nyiam huv. Cov yeeb nkab pp tsis muaj ntxhiab tsw phem thiab yog cov khoom siv nyab xeeb uas tuaj yeem rov ua dua tshiab.

Raws li cov yeeb nkab rau dej hauv tsev, nws tseem yog ib qho tseem ceeb ntawm kev tu cev. Lub hauv paus siv cov kav hlau kav dej muaj qhov cuam tshuam loj rau qhov zoo ntawm cov dej hauv tsev vim kev tiv thaiv corrosion, kev ua haujlwm tsis zoo corrosion, thiab lub sij hawm ntev tsub zuj zuj ntawm nplai. Vim tias qhov no, cov kav xa dej hlau yog maj hloov ntawm ppr kav. Nws muaj kev nyab xeeb tau hais tias cov kav dej coj los siv hauv tsev yog txhua yamppr kav dejCov. Ppr kav yog ib hom yeeb kav dej pp, thiab cov kav dej ppr yog siv raws li cov kav dej dej hauv tsev. Tsis tas yuav txhawj xeeb txog qhov corroded. Sab hauv phab ntsa ntawm cov yeeb nkab yog du thiab tiaj, uas yog qhov zoo rau kev tso cai ntawm cov kua thiab tsis tsim nplai. Thiab muaj peev xwm tiv taus qhov kub thiab qis kub kuj yog qhov zoo heev, txawm hais tias lub ppr raj kuj tseem yuav khov thiab tawg, tab sis nws tseem muaj peev xwm siv qhov kub qis tsis tshaj li-20 ℃, thiab qhov kub siab ua haujlwm rau qhov chaw muaj kev nyab xeeb heev tsuav nws tsis dhau 70 ℃. , Raws li cov cuab yeej qws dej hauv tsev ntau dua li txaus. Tsis tas li ntawd, kev pab cuam lub neej ntawm ppr raj yog ntev heev. Thaum siv nyob rau hauv ib txwm mob, muaj qhov tsis tas yuav txhawj xeeb txog qhov xav tau los hloov nws. Txawm li cas los xij, nws tsim nyog teev tias ppr tube yog hom raj yas tom qab txhua. Lub zog thiab nplaim hardness ntawm lub raj ppr yog twv yuav raug hu tsis tau zoo li tus kav hlau. Nyuaj, yog li them ntau rau kev saib xyuas thaum tuav, tsheb thauj mus los thiab teeb tsa.


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