Yuav xaiv cov kav dej zoo li cas

1. Muaj cov ntaub ntawv sau ua tiav ntawm lub cev ntawm PPR cov kav dej tsis tu ncua. Cov ntaub ntawv no feem ntau suav nrog cov qauv, qhov loj me, lub sijhawm tsim khoom, kev siv tus qauv, keeb kwm, thiab lwm yam ntawm cov yeeb nkab, thiab cov ntawv sau tau meej meej;

2. Judging los ntawm lub teeb transmittance ntawm cov yeeb nkab dej, yog hais tias lub teeb transmittance yog kiag li xoom, ces nws yog ib yam khoom tiag. Cov neeg siv khoom kov cov kav dej nrog lawv txhais tes kom hnov ​​​​qhov smoothness ntawm cov kav dej. Kev xav ntawm cov yeeb nkab dej tiag yog mos thiab waxy, thaum cov yeeb nkab dej cuav tsuas yog smoother;

3. Raws li tus qauv ntawm cov yeeb nkab dej, mus rau lub vev xaib official ntawm cov khoom siv sib txuas los xyuas seb cov yeeb nkab dej puas yog tiag. Ntau lub npe ntawm cov kav dej muaj cov cim pov thawj ntawm lawv, thiab koj tuaj yeem tshawb xyuas seb lawv puas muaj tseeb los ntawm kev tiv thaiv cov khoom cuav;

4. Koj tuaj yeem thov kom muab cov ntaub ntawv soj ntsuam zoo ntawm cov khoom (nws tuaj yeem yog cov khoom siv hluav taws xob), saib seb qhov kev tshuaj xyuas zoo puas tsim nyog, tab sis kuj tseem saib seb lub chaw kuaj xyuas puas muaj cai;

5. Nqa cov kav dej thiab teeb nws. Thaum cov yeeb nkab tsis zoo PPR kub hnyiab, nws yuav tawm cov ntxhiab tsw ntxhiab thiab tsis kaj siab, thiab nws tseem yuav nrog cov pa luam yeeb dub, thaum PPR yeeb nkab zoo yuav tsis tsim cov ntxhiab tsw phem thaum hlawv. Lub colloid uas yaj thaum hlawv kuj yog dawb thiab tsis muaj impurities. Thaum kub hnyiab, yuav muaj npuas me me rau ntawm qhov chaw combustion, thiab cov npuas me me, qhov zoo dua;

6. Yog tias koj muaj kev tsis txaus siab txog kev cog lus kev pab cuam tom qab muag, koj tuaj yeem hu rau qhov kev pabcuam tomqab muag ntawm cov chaw tsim khoom, thiab tus lej xov tooj tuaj yeem nrhiav tau ntawm lub vev xaib raug cai.