Raws li kev ua haujlwm ib txwm muaj, feem ntau muaj ob peb kauj ruam rau blackening:

Raws li kev ua haujlwm ib txwm muaj, feem ntau muaj ob peb kauj ruam rau blackening:

1. Ua ntej, ntxuav qhov chaw ntawm lub raj hlau thiab ua kom huv si;

2. Qhov thib ob yog ua kev kho degreasing rau ntawm qhov chaw, uas tuaj yeem tso cov raj hlau tso rau hauv cov tshuaj degreasing. Tus nqi pH ntawm cov tshuaj degreasing yuav tsum nyob ib ncig ntawm 13, thiab lub sijhawm yuav tsum tsis pub tsawg tshaj li ib nrab teev. Ntxuav nrog dej huv tom qab degreasing.

3. Tom ntej no, kev ntxuav cov kua qaub tuaj yeem ua tiav. Tus nqi pH ntawm cov kua qaub ntxuav yog li 3, thiab lub sijhawm ua haujlwm yuav tsum tsis pub ntev tshaj 10 feeb. Tom qab ntxuav cov kua qaub, yaug nrog dej huv;

4. Blackening kev kho mob: Tus nqi pH ntawm lub pas dej da dej yog nyob nruab nrab ntawm 2-4, thiab lub sijhawm kho yog li 10 feeb. Tom qab blackening, tsis tas yuav tsum tau ntxuav kom huv si;

5. Thaum kawg, qhuav thiab roj;

Ib qho tseem ceeb parameter ntawm hluav taws xob cua sov hlau yog lub zog nto. Yog tias qhov kev tiv thaiv siab dhau lawm, lub zog saum npoo yuav nce ntxiv thaum siv qee qhov tam sim no. Yog li ntawd, rau cov khoom siv hluav taws xob tsawg, cov kab me me thiab cov tam sim no me me raug xaiv, tab sis qhov loj ntawm qhov tam sim no nyob ntawm qhov loj ntawm qhov tsis kam. Qhov loj dua tam sim no nyob rau hauv cov cua sov hlau, qhov kub ntawm cov cua sov hlau yog siab dua. Qhov qis dua tam sim no nyob rau hauv cov hluav taws xob cua sov hlau, qhov kub ntawm cov hluav taws xob cua sov hlau yuav qis dua. Qhov ntev thiab txoj kab uas hla ntawm cov hluav taws xob cua sov hlau yog xam.

Saib ntawm cov xim ntawm cov hluav taws xob cua sov hlau, raws li qhov kub thiab txias, nws hloov ntawm tsaus liab mus rau ci liab, ces los ntawm ze rau daj mus rau dawb, mus txog ib tug dazzling xiav dawb xim. Raws li qhov tseeb no, qhov kub ntawm ib yam khoom tuaj yeem txiav txim siab los ntawm cov xim ntawm nws lub teeb emission. Cov hluav taws xob cua sov hlau muaj qhov kub thiab txias (1100 degree) thiab yog xim daj xim liab. Cov hluav taws xob cua sov hlau muaj qhov kub siab dua (1300 degree) thiab yog xim daj dawb. Ua tiav cov xim xiav thiab xim dawb (1500 degree) lossis siab dua.

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