Cov txheej txheem tsim khoom ntawm kraft ntawv thiab nws daim ntawv thov hauv kev ntim khoom

Keeb Kwm thiab Cov Txheej Txheem Tsim Khoom ntawm Kraft Daim Ntawv
Daim ntawv kraft yog ib yam khoom siv ntim khoom uas siv ntau, hu ua raws li cov txheej txheem pulping ntawv kraft. Kev ua tes ua ntawv kraft tau tsim los ntawm Carl F. Dahl hauv Danzig, Prussia, Lub Tebchaws Yelemees xyoo 1879. Nws lub npe los ntawm lus German: Kraft txhais tau tias lub zog lossis lub zog.
Cov khoom siv tseem ceeb rau kev tsim cov tawv nyuj yog cov ntoo fiber, dej, tshuaj lom neeg, thiab cua sov. Cov tawv nyuj yog tsim los ntawm kev sib xyaw cov ntoo fiber nrog cov tshuaj caustic soda thiab sodium sulfide thiab muab lawv tso rau hauv lub tshuab ua pa.
Cov ntawv pulp raug cov txheej txheem tsim khoom thiab kev tswj cov txheej txheem xws li impregnation, ua noj, pulp bleaching, ntaus, sizing, whitening, purification, screening, shaping, dehydration thiab nias, ziab, calendering, thiab coiling kom thaum kawg tsim cov ntawv kraft.

Kev siv cov ntawv kraft hauv kev ntim khoom
Niaj hnub no, daim ntawv kraft feem ntau yog siv rau cov thawv ntawv corrugated, nrog rau cov ntawv tsis yog yas phom sij siv rau hauv cov hnab ntawv xws li cement, khoom noj, tshuaj lom neeg, khoom siv, thiab hnab hmoov nplej.
Vim yog qhov ruaj khov thiab siv tau yooj yim ntawm daim ntawv kraft, cov thawv ntawv corrugated nrov heev hauv kev lag luam xa khoom sai. Cov thawv ntawv tuaj yeem tiv thaiv cov khoom zoo thiab tiv taus cov xwm txheej thauj mus los hnyav. Tsis tas li ntawd, tus nqi thiab tus nqi yog nyob rau hauv kab nrog kev txhim kho ntawm cov lag luam.
Cov thawv ntawv kraft kuj tseem siv los ntawm cov lag luam kom ua tiav cov hom phiaj kev txhim kho kom ruaj khov, thiab cov kev ntsuas ib puag ncig tau piav qhia meej meej los ntawm cov tsos qub thiab qub ntawm daim ntawv kraft xim av. Daim ntawv kraft muaj ntau yam kev siv thiab tuaj yeem muab ntau yam kev ntim khoom tshiab hauv kev lag luam ntim khoom niaj hnub no.