1. Nruab nrab: thaum lub sijhawm siv cov hlau stainless hlau, yuav tsum tau them rau seb cov neeg siv nruab nrab tuaj yeem ntsib tam sim no lub pob tam sim no. Yog tias qhov nruab nrab siv yog cov roj av, nws feem ntau pom zoo kom siv cov foob mos. Yog tias nws yog kua, fall foob lossis muag muag tuaj yeem raug xaiv raws li hom kua. Yog tias nws yog corrosive, fluorine hauv ob sab phlu lossis anti-corrosion cov ntaub ntawv yuav tsum siv hloov.
2. Kub: Thaum siv cov pob stainless hlau, yuav tsum them rau qhov nruab nrab ua haujlwm nruab nrab tuaj yeem ntsib cov pob tam sim no xaiv lub pob valve tsis xaiv. Yog tias qhov ntsuas kub siab dua 180 degrees, cov ntaub ntawv tiv thaiv nyuaj lossis ppl cov ntaub ntawv siab yuav tsum tau siv. Yog tias qhov ntsuas kub siab dua 350 degrees, cov khoom siv kub siab yuav tsum tau txiav txim siab los hloov.
3. Siab: Feem ntau qhov teeb meem ntawm stainless hlau pob valve hauv kev siv yog lub siab. Feem ntau, peb xav tias theem siab yuav tsum yog qib siab dua. Piv txwv li, yog tias cov kev ua haujlwm ua haujlwm yog 1.5MPA, peb xav hais tias theem siab yuav tsum tsis yog 1.6mpa, tab sis 2.5mpa. Xws li theem siab dua ntawm cov siab tuaj yeem ua kom muaj kev nyab xeeb kev nyab xeeb ntawm cov raj xa dej thaum siv.
4. Kev coj hnav: Hauv cov txheej txheem ntawm kev siv, peb yuav pom tias qee qhov kev lag luam hauv nruab nrab, gravel, slurry sag, txiv qaub thiab lwm yam xov xwm. Peb feem ntau pom zoo kom muab cov yeeb nkuag siv. Yog tias cov ntsaws ruaj ruaj tsis tuaj yeem daws tau qhov teeb meem, lwm yam li qub yuav tsum siv.
Lub Sijhawm Post: Sep-28-2022